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: The class is outside for P.E., half the children have chosen to walk their 4 laps, while the other half run the same distance. Question: Which half will likely sweat more? (A) Students who walk (B) Students who run
Example Output: B

Example 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
Example Output: B

Example Input: Sentence: Jim wants to make a new flag to hang outside his house. The blue material is much thicker than the red material. Question: If Jim wants to have more certainty that the flag will not rip in the wind which material should he avoid? (A) the blue material (B) the red material
Example Output:
B