You are given a sentence and a question. You're expected to write the correct answer based on the sentence.

Ex Input:
Sentence: The mass of Mars is greater then that of Venus. Question: Which planet emits stronger gravity?

Ex Output:
Mars

Ex Input:
Sentence: Bob ran his hand over his girlfriends legs. One leg was shaved and the other was stubbly. He noted that the shaved leg was much smoother. Question: Which leg caused more friction?

Ex Output:
The stubbly leg

Ex Input:
Sentence: Connor is talking to his friends in his back yard. Friend A is sitting 4 feet away from him, while friend B is 12 feet away in the pool. Question: Who can Connor hear better?

Ex Output:
friend A