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: An elephant has escaped from the zoo and is on a rampage through the streets of the city! Employees armed with tranquilizer guns find the elephant and take shots at its thick hide, while one stray dart hits a person right in the arm. Question: Who has more resilient protection against the darts? (A) The human (B) The elephant

Ex Output:
B


Ex Input:
Sentence: Linda has two thin sticks. They have the same dimensions but one is made of rubber and the other is made of pine. She bent one of the sticks without a problem, but when she tried to bend the other one it broke. Question: Which stick broke? (A) the rubber stick (B) the pine stick

Ex Output:
B


Ex Input:
Sentence: Yolanda was driving, and she turned onto a road that ran alongside some railroad tracks. A train was moving down the tracks, going in the same direction that she was. A few minutes later, the train had passed by her and she could only see the back of the train. Question: Which vehicle had a greater rate of speed? (A) the car (B) the train

Ex Output:

B