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.

Q: Sentence: Bob has two almost identical toy wagons that his dad built for him, one red one and one blue one. He's piled a bunch of toys and other objects in both of them. He pushes the blue one and it easily goes fast across the patio. He pushes the red one, and it barely gets moving. Question: Which one has a lighter load? (A) the red wagon (B) the blue wagon

A: A
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Q: Sentence: Sara likes to throw her sponge ball around. After a while, she notices that rolls more quickly on her on her driveway so she had to chase it, then when she's playing on the grass. Question: Which surface has the greatest resistance? (A) concrete driveway (B) grass?

A: A
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Q: Sentence: Engineers have developed some new filaments for use as parts of different structures. Through their research, they notice that a red filament is much thinner than a blue filament. Question: Which of these filaments would be less likely to withstand strain? (A) red filament (B) blue filament

A:
B
****