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: Tom and Jim are brothers.  Tom is thirteen and Jim is six.  Tom is much bigger.  They go out to throw rocks at the lake. Question: Who can throw them farther? (A) Tom (B) Jim

Answer: Tom


Question: Sentence: Every object has gravity. Jupiter is the largest planet in the solar system. Question: Which object has a weaker gravitational pull? (A) Moon (B) Jupiter

Answer: Moon


Question: Sentence: Violet was rolling an eggplant around the kitchen. She noticed that when she rolled it across the kitchen rug, the eggplant went slower than when she rolled it across the wooden cutting board. Question: She realized that this happened because which surface was smoother? (A) cutting board (B) kitchen rug

Answer:
cutting board