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: Matt knows that the air indoors is calmer then the air outdoors. Question: Which area will he be forced to throw his frisbee slower in? (A) indoors (B) outdoors
Output:
B