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.

Q: 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

A: grassy hill
****
Q: Sentence: Manny and Kevin want to travel cross country. Manny takes a plane and Kevin takes a car. Question: Who crosses the country first? (A) Kevin (B) Manny

A: Manny
****
Q: Sentence: Rod and Danny are running down the road.  Danny is not as fast. Question: After five minutes, who has gone farther? (A) Rod (B) Danny

A:
Rod
****