diff --git a/exercises/allergies/canonical-data.json b/exercises/allergies/canonical-data.json
index a517577331..0d8896fa0b 100644
--- a/exercises/allergies/canonical-data.json
+++ b/exercises/allergies/canonical-data.json
@@ -1,109 +1,149 @@
 {
-    "allergic_to": {
-        "description": [
-            "Given a number and a substance, indicate whether Tom is allergic ",
-            "to that substance.",
-            "Test cases for this method involve more than one assertion.",
-            "Each case in 'expected' specifies what the method should return for",
-            "the given substance."
-        ],
-        "cases": [
+  "exercise": "allergies",
+  "version": "1.0.0",
+  "cases": [
+    {
+      "description": "allergicTo",
+      "comments": [
+        "Given a number and a substance, indicate whether Tom is allergic ",
+        "to that substance.",
+        "Test cases for this method involve more than one assertion.",
+        "Each case in 'expected' specifies what the method should return for",
+        "the given substance."
+      ],
+      "cases": [
+        {
+          "description": "no allergies means not allergic",
+          "property": "allergicTo",
+          "score": 0,
+          "expected": [
             {
-                "description": "no allergies means not allergic", 
-                "score": 0,
-                "expected": [
-                    {
-                        "substance": "peanuts",
-                        "result": false
-                    },
-                    {
-                        "substance": "cats",
-                        "result": false
-                    },
-                    {
-                        "substance": "strawberries",
-                        "result": false
-                    }
-                ]
+              "substance": "peanuts",
+              "result": false
             },
             {
-                "description": "is allergic to eggs",
-                "score": 1,
-                "expected": [
-                    {
-                        "substance": "eggs",
-                        "result": true
-                    }
-                ]
+              "substance": "cats",
+              "result": false
             },
             {
-                "description": "allergic to eggs in addition to other stuff", 
-                "score": 5,
-                "expected": [
-                    {
-                        "substance": "eggs",
-                        "result": true
-                    },
-                    {
-                        "substance": "shellfish",
-                        "result": true
-                    },
-                    {
-                        "substance": "strawberries",
-                        "result": false
-                    }
-                ]
+              "substance": "strawberries",
+              "result": false
             }
-        ]
-    },
-    "list": {
-        "description": ["Given a number, list all things Tom is allergic to"],
-        "cases": [
-            {
-                "description": "no allergies at all",
-                "score": 0,
-                "expected": []
-            },
-            {
-                "description": "allergic to just eggs",
-                "score": 1,
-                "expected": ["eggs"]
-            },
-            {
-                "description": "allergic to just peanuts",
-                "score": 2,
-                "expected": ["peanuts"]
-            },
+          ]
+        },
+        {
+          "description": "is allergic to eggs",
+          "property": "allergicTo",
+          "score": 1,
+          "expected": [
             {
-                "description": "allergic to just strawberries",
-                "score": 8,
-                "expected": ["strawberries"]
-            },
-            {
-                "description": "allergic to eggs and peanuts",
-                "score": 3,
-                "expected": ["eggs", "peanuts"]
-            },
-            {
-                "description": "allergic to more than eggs but not peanuts",
-                "score": 5,
-                "expected": ["eggs", "shellfish"]
-            },
+              "substance": "eggs",
+              "result": true
+            }
+          ]
+        },
+        {
+          "description": "allergic to eggs in addition to other stuff",
+          "property": "allergicTo",
+          "score": 5,
+          "expected": [
             {
-                "description": "allergic to lots of stuff",
-                "score": 248,
-                "expected": ["strawberries", "tomatoes", "chocolate", "pollen", "cats"]
+              "substance": "eggs",
+              "result": true
             },
             {
-                "description": "allergic to everything",
-                "score": 255,
-                "expected": ["eggs", "peanuts", "shellfish", "strawberries", "tomatoes", "chocolate", "pollen", "cats"]
+              "substance": "shellfish",
+              "result": true
             },
             {
-                "description": "ignore non allergen score parts",
-                "score": 509,
-                "expected": ["eggs", "shellfish", "strawberries", "tomatoes", "chocolate", "pollen", "cats"]
+              "substance": "strawberries",
+              "result": false
             }
-        ]
+          ]
+        }
+      ]
+    },
+    {
+      "description": "list",
+      "comments": [
+        "Given a number, list all things Tom is allergic to"
+      ],
+      "cases": [
+        {
+          "description": "no allergies at all",
+          "property": "list",
+          "score": 0,
+          "expected": []
+        },
+        {
+          "description": "allergic to just eggs",
+          "property": "list",
+          "score": 1,
+          "expected": ["eggs"]
+        },
+        {
+          "description": "allergic to just peanuts",
+          "property": "list",
+          "score": 2,
+          "expected": ["peanuts"]
+        },
+        {
+          "description": "allergic to just strawberries",
+          "property": "list",
+          "score": 8,
+          "expected": ["strawberries"]
+        },
+        {
+          "description": "allergic to eggs and peanuts",
+          "property": "list",
+          "score": 3,
+          "expected": ["eggs", "peanuts"]
+        },
+        {
+          "description": "allergic to more than eggs but not peanuts",
+          "property": "list",
+          "score": 5,
+          "expected": ["eggs", "shellfish"]
+        },
+        {
+          "description": "allergic to lots of stuff",
+          "property": "list",
+          "score": 248,
+          "expected": [ "strawberries",
+                        "tomatoes",
+                        "chocolate",
+                        "pollen",
+                        "cats"
+                      ]
+        },
+        {
+          "description": "allergic to everything",
+          "property": "list",
+          "score": 255,
+          "expected": [ "eggs",
+                        "peanuts",
+                        "shellfish",
+                        "strawberries",
+                        "tomatoes",
+                        "chocolate",
+                        "pollen",
+                        "cats"
+                      ]
+        },
+        {
+          "description": "ignore non allergen score parts",
+          "property": "list",
+          "score": 509,
+          "expected": [ "eggs",
+                        "shellfish",
+                        "strawberries",
+                        "tomatoes",
+                        "chocolate",
+                        "pollen",
+                        "cats"
+                      ]
+        }
+      ]
     }
+  ]
 }