TASK DEFINITION: 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.
PROBLEM: sleeping during sex is active during sex
(A) sleeping is being dormant while ejaculating is being active during sex
(B)you can't be sleeping and be active during sex
(C)you cannot be sleeping and having an ejaculation

SOLUTION: B

PROBLEM: You can use a chair to warn.
(A) A chair can't yell at you to warn you.
(B)A chair can't walk at you
(C)A chair cant point at something neither has the common sense to warn about something.

SOLUTION: C

PROBLEM: The waves were crashing on the street
(A) Waves can be dangerous
(B)Waves usually seen at water bodies
(C)Waves can achieve greater speed

SOLUTION:
B