You will be given a definition of a task first, then some input of the task.
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: Jimbo's phone book is thicker then his pamphlet. Question: Which one will have more resistance to being torn in two? (A) phone book (B) pamphlet
Output:
phone book