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.

[EX Q]: Sentence: Gina and Debbie are sliding down a snowy hill. Gina has a heavy sled, and Debbie has a light cafeteria tray. Question: Which one is faster to speed up? (A) heavy sled (B) light cafeteria tray
[EX A]: light cafeteria tray

[EX Q]: Sentence: A frisbee benefits from low friction when sliding across a frozen lake and high friction when sliding over frozen ground. Question: Which surface is going to make the frisbee slide at a lower rate of speed? (A) frozen lake (B) frozen ground
[EX A]: frozen ground

[EX Q]: Sentence: Superman is the strongest person on earth. Him and Batman decide to see who can throw a car the longest distance. Question: Who wins this face off? (A) Batman(B) Superman
[EX A]:
Superman