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: Diana and Dave are aboard the same train after getting on at the same station. Question: If Diana gets out of the train one stop before Dave, who traveled a shorter distance? (A) Diana (B) Dave.

SOLUTION: Diana

PROBLEM: Sentence: Burt is a strong man. His nephew, Dave, is a skinny boy. Question: If they both throw a football, who will throw it further? (A) Burt (B) Dave.

SOLUTION: Burt

PROBLEM: Sentence: Jane  sees two stars directly overhead. One of them appears quite bright and the other one is dim. Question: Why? (A) the dim one is a lot closer (B) the dim one is further away

SOLUTION:
the dim one is further away