You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Example Input: Sentence: Tom and Jim are brothers. Tom is thirteen and Jim is six. Tom is much bigger. They go out to throw rocks at the lake. Question: Who can throw them farther? (A) Tom (B) Jim
Example Output: B

Example Input: Sentence: The planet Saturn has more mass then the planet Mercury. Question: Which plant has less of a gravitational field? (A) Saturn (B) Mercury
Example Output: A

Example Input: Sentence: A skier tries out some new ski poles for her upcoming practice session. She finds that the black ski pole bends more easily and seems more springy than the silver ski pole. Question: Which of these poles is less likely to snap when the skier uses it in her session? (A) black ski pole (B) silver ski pole
Example Output:
B