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: A bucket sliding across wet sand stays cooler then one sliding across dry sand. Question: Which surface is providing less resistance to the bucket? (A) wet sand (B) dry sand
wet sand