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: Lisa is studying for her exam. She is working at her desk on the computer and reading. She has no issues reading the tiny print. Question: The light source in the room must be a? (A) Desk Lamp (B) Floor Lamp

Ex Output:
Desk Lamp


Ex Input:
Sentence: When Marky Mark's earphones were on the desk, he could only faintly hear music coming from them, but when he put them on his ears, he could clearly hear the music. Question: When were the earphones nearer to him? (A) when they were on the desk (B) when they were on his ears

Ex Output:
when they were on his ears


Ex Input:
Sentence: Mike was comparing the mass of a boulder and a pebble. He found that the mass of the boulder was much greater then the mass of the pebble. Question: Which item emits weaker gravity? (A) boulder (B) pebble

Ex Output:

pebble