You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Example Input: Sentence: Ada was playing kickball. She kicked a ball into the gravel and noticed it was warm when she picked it up. She kicked it again onto a grassy hill, but this time the ball wasn't very hot when she retrieved it. Question: In which surface did the ball travel the most? (A) gravel (B) grassy hill
Example Output: grassy hill

Example Input: Sentence: Adam noticed bright cop lights approach him from behind and pass ahead of him. Question: When would these cop lights appear dimmest? (A) Far away (B) Up close
Example Output: Far away

Example Input: Sentence: Planet 845-B had a lot of gravitational pull on the celestial objects surrounding it, but Planet 483-6-C barely affected the space around it at all. Question: Which of the two planets is likely to have the larger amount of mass? (A) Planet 845-B (B) Planet 483-6-C
Example Output:
Planet 845-B