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: Neptune is one of the largest planets in the solar system. Question: Which object has stronger gravity? (A) Mercury (B) Neptune
[EX A]: B

[EX Q]: Sentence: A glider moves at a lower rate of speed through the treetops then through the air. Question: Which surface is smoother? (A) treetops (B) air
[EX A]: B

[EX Q]: Sentence: Carl has a house on the beach. One night, a big yacht is making a lot of noise because people are partying on it near the shore. It then drives out to sea. Question: When would Carl hear the yacht the most? (A) when its at shore (B) when its at sea
[EX A]:
A