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: the airline had been screening pets on X-ray machines
(A) pets are checked by human not X-ray machines in airport
(B)there are X-ray machines in hospitals
(C)some people bring their pets to the airport

SOLUTION: A

PROBLEM: He ate a plastic bag.
(A) A plastic bag cannot eat anything.
(B)A plastic bag does not contain nutrition and is harmful to eat.
(C)Plastic bags are usually used to hold other objects.

SOLUTION: B

PROBLEM: Biker puts liquid in bike tank
(A) bike is solid and gasoline is liquid
(B)biker rides the bike and not gasoline.
(C)Any liquid cannot run the bikes engine

SOLUTION:
C