question: Find m \angle B.
  Choices:
  A:29
  B:58
  C:61
  D:122
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find m \angle B.
  Choices:
  A:29
  B:58
  C:61
  D:122
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 m \angle B.
  Choices:
  A:29
  B:58
  C:61
  D:122
question_for_eval: Find m \angle B.
  Choices:
  A:29
  B:58
  C:61
  D:122