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: Jamal is able to swim his usual speed, but he's feeling sluggish on Monday so he cuts his swimming workout short. On Tuesday, Jamal feels much more energetic, so he swims for a longer period of time. Question: On which day will Jamal swim fewer laps? (A) Tuesday (B) Monday
Output:
B