instruction:
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.
question:
Sentence: A hollow cannonball and a solid cannonball made of the same material and diameter are shot with the same force from a cannon. Question: Which ball will have a lower acceleration? (A) Hollow cannonball (B) Solid cannonball
answer:
Solid cannonball


question:
Sentence: Teenage Mary and her grandmother, Millie, are both gymnasts. Both are talented athletes, even though Millie is getting a little stiff in her later years. Question: Between senior Millie and young Mary, which one is more at risk for broken bones? (A) Mary is more at risk (B) Millie is more at risk
answer:
Millie is more at risk


question:
Sentence: Jane and Dirk are roommates living in the same house. Question: If they take the same bus at the same time in the same bus stop, who will travel a shorter distance if Jane gets out of the bus one stop before Dirk does? (A) Jane (B) Dirk.
answer:

Jane