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: Stacey and Marilyn are driving down the interstate at night and need to gas up their car. They sight a gas station sign that looks very dim and becomes more easily visible as they drive. Question: When does the sign look more luminous? (A) when it's far off (B) when it's nearby
Example Output: B

Example Input: Sentence: The average NFL quarterback is 6'4. The average middle school girl is 5'3. Question: Who can throw a football longer? (A) Middle School Girl (B) QB
Example Output: B

Example Input: Sentence: When Jason looked out his window, it looked like his neighbor's lights were operating at half the power that his own lights were. Question: What could explain this? (A) the neighbors are farther away (B) the neighbors are closer
Example Output:
A