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: Joe was the fastest runner in his school. Another student at his school, Larry, challenged him to race the length of the football field. Question: Which student made it in the least amount of time? (A) Joe (B) Larry

SOLUTION: Joe

PROBLEM: Sentence: An asteroid is flying through space and is halfway between Saturn and one of its moons. The moon is very small in mass compared to Saturn. Question: Which body will be less likely to pull the asteroid into its orbit? (A) Saturn (B) moon of Saturn

SOLUTION: moon of Saturn

PROBLEM: Sentence: Two cars are traveling down a highway. They start out next to each other, but in 10 minutes, the car in the right lane is way ahead of the car in the left lane. Question: Which car wasn't going as fast as the other car? (A) the one on the left (B) the one on the right

SOLUTION:
the one on the left