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: A peach experiences less friction rolling on a picnic table then rolling on a dining room table. Question: Which table will allow the peach to rolling around at a higher rate of speed? (A) picnic table (B) dining room table

Ex Output:
A


Ex Input:
Sentence: Two horses were out on a hot day in a sunny pasture that didn't have any shade for two hours. When their owner came by to take them to a shaded pasture, his white horse was covered in sweat and his bay horse was dry. Question: Which of the horses had been taking it easy? (A) the white horse (B) the bay horse

Ex Output:
B


Ex Input:
Sentence: Tony has a beach ball that he loves to play with. He notices that the beach ball travels farther when he kicks it across the asphalt road than when he kicks it across the gravel road. Question: If he kicks it with the same force in each situation, which road is more smooth? (A) gravel (B) asphalt

Ex Output:

B