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 option for the given question. Write down the answer index: 'A' or 'B'.

Sentence: A skateboard's wheels get less hot riding through an auditorium compared to a concert hall. Question: Which surface offers greater resistance? (A) concert hall (B) auditorium
Output:
A