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: There was a mammoth in the zoo.
(A) Mammoths are not found in zoos.
(B)It is not common to see mammoths in zoos.
(C)Mammoths are extinct.

SOLUTION: C

PROBLEM: we use chairs when it rains
(A) we can sit on the chairs when it rains
(B)the chair is comfortable to sit on
(C)no one use chairs against the rain

SOLUTION:
C