In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.
One example: I sting a mosquito
(A) A human is a mammal
(B)A human is omnivorous
(C)A human doesn't have stings
Solution is here: C
Explanation: The third option explains why a human can't sting a mosquito correctly. So, the third option is the best choice.

Now, solve this: The woman sat while she walked.
(A) Some concerts are for standing up and some for sitting down and walking is healthy.
(B)When the red light shows you should not walk and you should sit down when dizzy.
(C)Sitting is staying still and walking is moving so you can't do both at the same time.
Solution:
C