question: Find m \angle R.
  Choices:
  A:58
  B:60
  C:122
  D:124
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find m \angle R.
  Choices:
  A:58
  B:60
  C:122
  D:124
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 R.
  Choices:
  A:58
  B:60
  C:122
  D:124
question_for_eval: Find m \angle R.
  Choices:
  A:58
  B:60
  C:122
  D:124