anchor.diff:                               "required": true,
                                "next": "roundness"
                            },
  -                         roundness: {
  +                         "roundness": {
                                "type": "single",
                                "question": "How round is it?",
                                "answers": [
  
positive.code:                              "required": true,
                               "next": "roundness"
                           },
                           roundness: {
                               "type": "single",
                               "question": "How round is it?",
                               "answers": [
  
negative.code:                             "required": true,
                              "next": "roundness"
                          },
                          "roundness": {
                              "type": "single",
                              "question": "How round is it?",
                              "answers": [
  