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: Two cannonballs were being shot from a cannon to celebrate a holiday. The first cannonball weighed twice as much as the second. Question: Which one left the cannon at a higher rate of speed? (A) the first cannonball (B) the second cannonball
answer:
the second cannonball


question:
Sentence: Bob took his toy car outside to play with it. He rolled it on the street and then he rolled it in the grass. He noted that the toy car rolled much faster in the street. Question: Which surface caused more friction? (A) The street (B) The grass
answer:
The grass


question:
Sentence: Hercules is a giant of a man and on the disc tossing team for his school. Allison is a cheerleader. Question: Who can throw a disc further? (A) Hercules (B) Allison
answer:

Hercules