diff --git a/exercises/food-chain/canonical-data.json b/exercises/food-chain/canonical-data.json
index 7945afcb94..fbc15b2876 100644
--- a/exercises/food-chain/canonical-data.json
+++ b/exercises/food-chain/canonical-data.json
@@ -1,185 +1,199 @@
 {
-    "#": [
-        "JSON doesn't allow for multi-line strings, so all verses are presented ",
-        "here as arrays of strings. It's up to the test generator to join the ", 
-        "lines together with line breaks.",
-        "Some languages test for the verse() method, which takes a start verse ",
-        "and optional end verse, but other languages have only tested for the full poem.",
-        "For those languages in the latter category, you may wish to only ",
-        "implement the full song test and leave the rest alone, ignoring the start ",
-        "and end verse fields."
-    ],
-    "verse": {
-        "description": "Return specified verse or series of verses",
-        "cases": [
-            {
-                "description": "fly",
-                "start verse": 1,
-                "expected": [
-                    "I know an old lady who swallowed a fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "spider",
-                "start verse": 2,
-                "expected": [
-                    "I know an old lady who swallowed a spider.",
-                    "It wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "bird",
-                "start verse": 3,
-                "expected": [
-                    "I know an old lady who swallowed a bird.",
-                    "How absurd to swallow a bird!",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "cat",
-                "start verse": 4,
-                "expected": [
-                    "I know an old lady who swallowed a cat.",
-                    "Imagine that, to swallow a cat!",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "dog",
-                "start verse": 5,
-                "expected": [
-                    "I know an old lady who swallowed a dog.",
-                    "What a hog, to swallow a dog!",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "goat",
-                "start verse": 6,
-                "expected": [
-                    "I know an old lady who swallowed a goat.",
-                    "Just opened her throat and swallowed a goat!",
-                    "She swallowed the goat to catch the dog.",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "cow",
-                "start verse": 7,
-                "expected": [
-                    "I know an old lady who swallowed a cow.",
-                    "I don't know how she swallowed a cow!",
-                    "She swallowed the cow to catch the goat.",
-                    "She swallowed the goat to catch the dog.",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "horse",
-                "start verse": 8,
-                "expected": [
-                    "I know an old lady who swallowed a horse.",
-                    "She's dead, of course!"
-                ]
-            },
-            {
-                "description": "multiple verses",
-                "start verse": 1,
-                "end verse": 3,
-                "expected": [
-                    "I know an old lady who swallowed a fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a spider.",
-                    "It wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a bird.",
-                    "How absurd to swallow a bird!",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die."
-                ]
-            },
-            {
-                "description": "full song",
-                "start verse": 1,
-                "end verse": 8,
-                "expected": [
-                    "I know an old lady who swallowed a fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a spider.",
-                    "It wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a bird.",
-                    "How absurd to swallow a bird!",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a cat.",
-                    "Imagine that, to swallow a cat!",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a dog.",
-                    "What a hog, to swallow a dog!",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a goat.",
-                    "Just opened her throat and swallowed a goat!",
-                    "She swallowed the goat to catch the dog.",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a cow.",
-                    "I don't know how she swallowed a cow!",
-                    "She swallowed the cow to catch the goat.",
-                    "She swallowed the goat to catch the dog.",
-                    "She swallowed the dog to catch the cat.",
-                    "She swallowed the cat to catch the bird.",
-                    "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
-                    "She swallowed the spider to catch the fly.",
-                    "I don't know why she swallowed the fly. Perhaps she'll die.",
-                    "",
-                    "I know an old lady who swallowed a horse.",
-                    "She's dead, of course!"
-                ]
-            }
-        ]
+  "exercise": "food-chain",
+  "version": "1.0.0",
+  "comments": [
+    "JSON doesn't allow for multi-line strings, so all verses are presented ",
+    "here as arrays of strings. It's up to the test generator to join the ",
+    "lines together with line breaks.",
+    "Some languages test for the verse() method, which takes a start verse ",
+    "and optional end verse, but other languages have only tested for the full poem.",
+    "For those languages in the latter category, you may wish to only ",
+    "implement the full song test and leave the rest alone, ignoring the start ",
+    "and end verse fields."
+  ],
+  "cases": [
+    {
+      "description": "Return specified verse or series of verses",
+      "cases": [
+        {
+          "description": "fly",
+          "property": "verse",
+          "start verse": 1,
+          "expected": [
+            "I know an old lady who swallowed a fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "spider",
+          "property": "verse",
+          "start verse": 2,
+          "expected": [
+            "I know an old lady who swallowed a spider.",
+            "It wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "bird",
+          "property": "verse",
+          "start verse": 3,
+          "expected": [
+            "I know an old lady who swallowed a bird.",
+            "How absurd to swallow a bird!",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "cat",
+          "property": "verse",
+          "start verse": 4,
+          "expected": [
+            "I know an old lady who swallowed a cat.",
+            "Imagine that, to swallow a cat!",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "dog",
+          "property": "verse",
+          "start verse": 5,
+          "expected": [
+            "I know an old lady who swallowed a dog.",
+            "What a hog, to swallow a dog!",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "goat",
+          "property": "verse",
+          "start verse": 6,
+          "expected": [
+            "I know an old lady who swallowed a goat.",
+            "Just opened her throat and swallowed a goat!",
+            "She swallowed the goat to catch the dog.",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "cow",
+          "property": "verse",
+          "start verse": 7,
+          "expected": [
+            "I know an old lady who swallowed a cow.",
+            "I don't know how she swallowed a cow!",
+            "She swallowed the cow to catch the goat.",
+            "She swallowed the goat to catch the dog.",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "horse",
+          "property": "verse",
+          "start verse": 8,
+          "expected": [
+            "I know an old lady who swallowed a horse.",
+            "She's dead, of course!"
+          ]
+        },
+        {
+          "description": "multiple verses",
+          "property": "verse",
+          "start verse": 1,
+          "end verse": 3,
+          "expected": [
+            "I know an old lady who swallowed a fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a spider.",
+            "It wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a bird.",
+            "How absurd to swallow a bird!",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die."
+          ]
+        },
+        {
+          "description": "full song",
+          "property": "verse",
+          "start verse": 1,
+          "end verse": 8,
+          "expected": [
+            "I know an old lady who swallowed a fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a spider.",
+            "It wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a bird.",
+            "How absurd to swallow a bird!",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a cat.",
+            "Imagine that, to swallow a cat!",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a dog.",
+            "What a hog, to swallow a dog!",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a goat.",
+            "Just opened her throat and swallowed a goat!",
+            "She swallowed the goat to catch the dog.",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a cow.",
+            "I don't know how she swallowed a cow!",
+            "She swallowed the cow to catch the goat.",
+            "She swallowed the goat to catch the dog.",
+            "She swallowed the dog to catch the cat.",
+            "She swallowed the cat to catch the bird.",
+            "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.",
+            "She swallowed the spider to catch the fly.",
+            "I don't know why she swallowed the fly. Perhaps she'll die.",
+            "",
+            "I know an old lady who swallowed a horse.",
+            "She's dead, of course!"
+          ]
+        }
+      ]
     }
+  ]
 }