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: Two identical airplanes, except for their colors, are in the sky. The black and white one looks smaller than the blue one. Question: Why? (A) the black and white one is higher in the sky (B) the blue one is higher in the sky

SOLUTION: the black and white one is higher in the sky

PROBLEM: Sentence: Mary was bending objects to see which would break easier. She bent a plastic sheet and it didn't break, but she bent a glass sheet and it broke right away. Question: Which sheet was more flexible? (A) plastic sheet (B) glass sheet

SOLUTION: plastic sheet

PROBLEM: Sentence: Jen was taking a walk and she could hear an airplane overhead. The sound got fainter. Question: Was the airplane coming closer or moving away? (A) coming closer (B) moving away

SOLUTION:
moving away