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 Input:
Sentence: And old pilot, famous for his record-breaking flights in the 40's, wants to prove he can still do it. He plans an around the world trip and challenges a modern aircraft against his old one. Question: Which plane is likely to reach the final destination before the other? (A) The modern aircraft (B) the old aircraft

Ex Output:
A


Ex Input:
Sentence: It's turkey hunting season and Jim is on his front porch. He hears a gun shot off the the west. Then he hears another one off to the north. The one to the north was easier to hear than the one to the west. Question: Which hunter is closer to Jim's house? (A) the one to the west (B) the one to the north

Ex Output:
B


Ex Input:
Sentence: Amy wants to travel across the Atlantic ocean and is trying to decide between two options. Question: Which should she choose if she wants to reach her destination in the shortest window of time? (A) A boat (B) A plane

Ex Output:

B