question: In \triangle P Q R, S T \parallel R Q. Triangle P S T is similar to triangle P R Q with a shared vertex P. If P S = 12.5, S R = 5, and P T = 15, find T Q.
  Choices:
  A:5
  B:6
  C:6.5
  D:12.5
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: In \triangle P Q R, S T \parallel R Q. Triangle P S T is similar to triangle P R Q with a shared vertex P. If P S = 12.5, S R = 5, and P T = 15, find T Q.
  Choices:
  A:5
  B:6
  C:6.5
  D:12.5
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: In \triangle P Q R, S T \parallel R Q. Triangle P S T is similar to triangle P R Q with a shared vertex P. If P S = 12.5, S R = 5, and P T = 15, find T Q.
  Choices:
  A:5
  B:6
  C:6.5
  D:12.5
question_for_eval: In \triangle P Q R, S T \parallel R Q. Triangle P S T is similar to triangle P R Q with a shared vertex P. If P S = 12.5, S R = 5, and P T = 15, find T Q.
  Choices:
  A:5
  B:6
  C:6.5
  D:12.5