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: Tina plays with two different toys. Gumby which is made of flexible clay and her Barbie doll which is made of wood. Question: If she bends each toy which one will bend and not break? (A) Gumby (B) Barbie
[EX A]: Gumby

[EX Q]: Sentence: The class is outside for P.E., half the children have chosen to walk their 4 laps, while the other half run the same distance. Question: Which half will likely sweat more? (A) Students who walk (B) Students who run
[EX A]: Students who run

[EX Q]: Sentence: Elizabeth rolled an egg down a marble countertop in the kitchen. She then moved the egg to the knitted rug in the living room. She noticed that the egg moved faster on the countertop than on the rug. Question: On which surface was more heat generated? (A) countertop (B) rug
[EX A]:
rug