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.

Ex Input:
Sentence: All massive objects like planets have very strong gravitational pulls. The Sun is larger than Neptune. Question: So which object in space has a stronger gravitational pull? (A) Sun (B) Neptune

Ex Output:
B

Ex Input:
Sentence: Suppose you see an Elephant at the zoo and look up into the night sky right after. Question: Which object looks bigger? (A) Elephant (B) Moon

Ex Output:
B

Ex Input:
Sentence: Mike's toy car moves really fast when he pushes it, but his toy truck only creeps along slowly. Question: Which toy will move a greater distance in the same amount of time? (A) toy car (B) toy truck

Ex Output:
B