question: Two triangles A B E and A C D are similar with a shared vertex A. B E and C D are parallel. Find A E if A B = 12, A C = 16, and E D = 5.
  Choices:
  A:12
  B:15
  C:16
  D:20
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Two triangles A B E and A C D are similar with a shared vertex A. B E and C D are parallel. Find A E if A B = 12, A C = 16, and E D = 5.
  Choices:
  A:12
  B:15
  C:16
  D:20
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: Two triangles A B E and A C D are similar with a shared vertex A. B E and C D are parallel. Find A E if A B = 12, A C = 16, and E D = 5.
  Choices:
  A:12
  B:15
  C:16
  D:20
question_for_eval: Two triangles A B E and A C D are similar with a shared vertex A. B E and C D are parallel. Find A E if A B = 12, A C = 16, and E D = 5.
  Choices:
  A:12
  B:15
  C:16
  D:20