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: John likes to snow tube in the winter and tube down sand dunes in the summer. He notices he can attain greater speeds overall when he snow tubes. Question: Which surface has higher friction? (A) Snow (B) Sand

Ex Output:
B

Ex Input:
Sentence: The village people are on their way to the castle to get Count Dracula for his crimes. The Count can see one group of torches to the south that appear bright and another group of torches to the southeast that appear a lot less bright. Question: Which group of villagers is closer? (A) the group from the southeast (B) the group from the south

Ex Output:
B

Ex Input:
Sentence: Both Mary and Jimbo were out working in a field digging a hole. Mary was working very hard, while Jimbo was just standing around leaning on his shovel. Question: Which person was producing more sweat? (A) Mary (B) Jimbo

Ex Output:
A