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.

Input: Consider Input: 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

Output: A


Input: Consider Input: A snow scraper is needed to power on the car
(A) A snow scraper would only be needed if it were snowed, but not for power on the car
(B)A snow scraper and a car key are both allocated in a car
(C)A snow scraper is not always held by the driver as a car key every day

Output: A


Input: Consider Input: A mat is made of iron
(A) Mat may have different shape just like iron
(B)No one uses a mat of iron
(C)Mats are used on floor


Output: B