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 cat can run faster then a kitten. Question: If both run around for 50 minutes, which will have gone a greater distance in that time? (A) kitten (B) cat

Ex Output:
B

Ex Input:
Sentence: Jack is rubbing his hands together for warmth but it isn't working very well. He puts a leather glove on one hand and leaves the other bare and rubs them together again and gets more heat but notices that it takes more effort to move his hand further along the surface. Question: Which surface has more friction? (A) HAND (B) LEATHER GLOVE

Ex Output:
B

Ex Input:
Sentence: Jim is a professional hockey player. He knows that wet ice is rougher than dry ice. Question: Which type of ice can he skate faster on? (A) wet ice (B) dry ice

Ex Output:
B