question: In parallelogram M N P R, M N = 3x - 4. N P = 2y + 5. R P = 20. M R = 17.9. Find m \angle R N P.
  Choices:
  A:38
  B:52
  C:52
  D:62
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: In parallelogram M N P R, M N = 3x - 4. N P = 2y + 5. R P = 20. M R = 17.9. Find m \angle R N P.
  Choices:
  A:38
  B:52
  C:52
  D:62
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 parallelogram M N P R, M N = 3x - 4. N P = 2y + 5. R P = 20. M R = 17.9. Find m \angle R N P.
  Choices:
  A:38
  B:52
  C:52
  D:62
question_for_eval: In parallelogram M N P R, M N = 3x - 4. N P = 2y + 5. R P = 20. M R = 17.9. Find m \angle R N P.
  Choices:
  A:38
  B:52
  C:52
  D:62