Given the task definition and input, reply with output. 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.

Sentence: Polly and Sally were at the indoor wall climbing facility. After 2 hours Polly was covered in sweat and Sally was practically dry. Question: Which of the girls had gotten more exercise? (A) Polly (B) Sally
Polly