Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence: A plunger gets a lot hotter plunging through a clogged toilet then plunging through a clean toilet. Question: Which surface will let the plunger go a greater distance per push? (A) clogged toilet (B) clean toilet
Student:
clean toilet