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: A pickup and a van both drive on the highway at 60 mph. Question: If the pickup pulls off at an exit sooner then the van, which will have traveled less distance? (A) van (B) pickup
Example Output: B

Example Input: Sentence: Neptune has a greater mass then Pluto. Question: Which planet emits stronger gravitational waves? (A) Neptune (B) Pluto
Example Output: A

Example Input: Sentence: Jack is in the forest and sees a light shining in the distance. He moves closer to it. Question: When is the light dimmer? (A) when the light is closer (B) when the light is further away
Example Output:
B