question: Find the value of x in the diagram.
  Choices:
  A:68
  B:78
  C:79
  D:136
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find the value of x in the diagram.
  Choices:
  A:68
  B:78
  C:79
  D:136
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: Find the value of x in the diagram.
  Choices:
  A:68
  B:78
  C:79
  D:136
question_for_eval: Find the value of x in the diagram.
  Choices:
  A:68
  B:78
  C:79
  D:136