anchor.diff:              "prompt": "Show me some interesting code you’ve written and walk me through it.",
               "slug": "interesting-code",
               "url": "http://atomic.logsdon.io/prompts/interesting-code",
  -            "response": { ... },
               "created_at": "2014-03-14 14:13:00",
               "updated_at": "2014-03-15 20:00:00"
           },{
  
positive.code:             "prompt": "Where did you hear about Atomic?",
              "slug": "hear-about-atomic",
              "url": "http://atomic.logsdon.io/prompts/hear-about-atomic",
              "response": { ... },
              "created_at": "2014-03-14 14:13:00",
              "updated_at": "2014-03-15 20:00:00"
          },{
  
negative.code:             "prompt": "Tell me about the first program you were proud of.",
              "slug": "first-program",
              "url": "http://atomic.logsdon.io/prompts/first-program",
              "created_at": "2014-03-14 14:13:00",
              "updated_at": "2014-03-15 20:00:00"
          },{
  