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'.

Input: Consider Input: Sentence: A boomerang thrown into a windy sky heats up quite a bit, but one thrown into a calm sky stays about the same temperature. Question: Which surface puts the least amount of friction on the boomerang? (A) windy sky (B) calm sky

Output: B


Input: Consider Input: Sentence: Mike knows that his floor has less friction then his lap. An apple seed fell from the apple he was eating and rolled across his lap before falling to the floor and rolling around there. Question: Which surface did the apple seed roll slower on? (A) lap (B) floor

Output: A


Input: Consider Input: Sentence: A racehorse and a horse drawn carriage both depart from a saloon at the same time.  The horse drawn carriage is twenty times slower than the racehorse. Question: Which will arrive last at the next town? (A) the horse drawn carriage will take more time to arrive at the next town (B) the racehorse will take more time to arrive at the next town


Output: A