instruction:
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.
question:
Sentence: Mike was making a basket using various types of wood. He bent some thick wood and it didn't break, but when he bent some thin wood it snapped in half. Question: Which wood wasn't as strong? (A) thick wood (B) thin wood
answer:
A

question:
Sentence: Lane is testing how strong gravity pulls on different objects. She drops a brick and a penny from a roof at the same time. Question: Which has larger mass and hits the ground first? (A) brick (B) penny
answer:
B

question:
Sentence: A rat and a mouse each set out walking from the high school to the hospital. The rat was speedier than the mouse. Question: Who took more time to arrive at the hospital? (A) the rat (B) the mouse
answer:
A