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: A microscope experiences less resistance when sliding across a lab table then when sliding across a lab floor. Question: Which surface will force the microscope to register less of an increase in temperature? (A) lab table (B) lab floor

Ex Output:
B


Ex Input:
Sentence: Suppose a sports motorcycle raced a box truck. Question: Which vehicle would hit 60 mph first? (A) Motorcycle (B) Box Truck

Ex Output:
B


Ex Input:
Sentence: A wooden arrow has a smoother time penetrating a straw target compared to a metal target. Question: Which target is going to make the wooden arrow get hotter as it penetrates it? (A) straw target (B) metal target

Ex Output:

A