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: Both a cheetah and a rabbit are running in a field at the same rate of speed. The rabbit gives up before the cheetah and stops to catch its breath. Question: Which animal ran the greater distance? (A) cheetah (B) rabbit
answer:
cheetah


question:
Sentence: A globe rolling around on a library floor experiences less resistance then one rolling around on a study floor. Question: Which floor will cause the globe to heat up less when rolled across it? (A) study floor (B) library floor
answer:
library floor


question:
Sentence: Sara likes to throw her sponge ball around. After a while, she notices that rolls more quickly on her on her driveway so she had to chase it, then when she's playing on the grass. Question: Which surface has the greatest resistance? (A) concrete driveway (B) grass?
answer:
grass