question: As shown in the figure, a parallel b, then angle 2 = ()
  Choices:
  A:54°
  B:56°
  C:44°
  D:46°
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: As shown in the figure, a parallel b, then angle 2 = ()
  Choices:
  A:54°
  B:56°
  C:44°
  D:46°
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: As shown in the figure, a parallel b, then angle 2 = ()
  Choices:
  A:54°
  B:56°
  C:44°
  D:46°
question_for_eval: As shown in the figure, a parallel b, then angle 2 = ()
  Choices:
  A:54°
  B:56°
  C:44°
  D:46°