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": [
  