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: Mike knows that his tank weighs more than his bicycle. Question: Which vehicle will speed up slower? (A) bicycle (B) tank
Output:
tank