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'.

[EX Q]: Sentence: A man's boat is about to sink, so he throws his food and boxes of stuff overboard. Question: At which point would his boat be faster? (A) Before the stuff is thrown overboard (B) After the stuff is thrown overboard.
[EX A]: B

[EX Q]: Sentence: Jack and Jill are sliding a cellphone back and forth along the tabletop very easily. Their mother puts a tablecloth over the tabletop and it's not as easy to slide the phone anymore. Question: Which surface has less friction? (A) TABLETOP (B) TABLECLOTH
[EX A]: A

[EX Q]: Sentence: Jessica is playing baseball. She throws the ball and it rolls in the dirt path and into the outfield. The dirt has more resistance than the outfield. Question: Which surface has a more uniform surface? (A) dirt (B) outfield
[EX A]:
B