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.

Ex Input:
Sentence: Bob likes to skip rocks across the lake. He skipped rocks on a calm day when the lake was smooth and on a windy day when the lake was choppy. He noticed that the rock encountered less friction on the smooth lake than the choppy lake. Question: Which lake would the rock skip farther on? (A) The smooth lake (B) The choppy lake

Ex Output:
The smooth lake


Ex Input:
Sentence: Laura and Sean are running on the tracks. Sean needs to stop running half way through and walk the rest. Question: Who ends one round around the track the fastest? (A) Laura (B) Sean

Ex Output:
Laura


Ex Input:
Sentence: Both Linda and Keith leave for work at the same time. Linda drives in her car and Keith is walking. Question: If they've both been traveling for two hours, who is more likely to have covered less distance? (A) Linda (B) Keith

Ex Output:

Keith