question: As shown in the figure, angle BOD = 50.0, then angle COE = ()
  Choices:
  A:30°
  B:140°
  C:50°
  D:60°
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, angle BOD = 50.0, then angle COE = ()
  Choices:
  A:30°
  B:140°
  C:50°
  D:60°
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, angle BOD = 50.0, then angle COE = ()
  Choices:
  A:30°
  B:140°
  C:50°
  D:60°
question_for_eval: As shown in the figure, angle BOD = 50.0, then angle COE = ()
  Choices:
  A:30°
  B:140°
  C:50°
  D:60°