TASK DEFINITION: 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.
PROBLEM: Sentence: A car and a bus are both driving 60 mph, but the car drives longer then the bus. Question: Which vehicle travelled the greater distance? (A) car (B) bus

SOLUTION: car

PROBLEM: Sentence: Bernie is pitching marbles. He notices that when he pitches the marbles on the tile in his kitchen, the marble goes faster and farther away than when he does the same action on grass. Question: Which surface is applying less friction to the marble? (A) grass (B) tile?

SOLUTION: tile

PROBLEM: Sentence: Polyethylene is more flexible then pvc. Question: Which plastic is the more breakable of the two? (A) polyethylene (B) pvc

SOLUTION:
pvc