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'.

Example Input: 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
Example Output: A

Example Input: Sentence: Dom and Brian race their fast cars down a quarter mile stretch of road. Dom's car is faster than Brian's. Question: Who wins the race? (A) Brian (B) Dom
Example Output: B

Example Input: Sentence: Johnny was a Taekwondo black belt. Daniel was a white belt. They each kicked at each other at the same time. Question: Who's kick covered the least ground? (A) Daniel (B) Johnny
Example Output:
A