Update dataset.json

dataset.json

@@ -1,6 +1,6 @@
 {
-  "Hey!": "Hello.",
-  "How are you?": "Good, what about you?",
-  "This is an example dataset!": "That dataset is completely useless by the way.",
-  "This is the input": "And this is the response"
+  "Hey!": 0,
+  "How are you?": 1,
+  "This is an example dataset!": 2,
+  "This is the input": 3
 }