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.

Q: There must be aliens outside our solar system
(A) No one has proof of having seen aliens
(B)The universe is very big
(C)Scientists haven't proved the existence of aliens

A: C
****
Q: Finally it's time to leave, I'm upset to say hello to my friends
(A) "Hello" is an international way of greeting
(B)"Hello" is used when people meet each other
(C)"Hello" originates from English

A: B
****
Q: Jerry is going to lie on the clouds to get enough rest
(A) No one can rest on the clouds
(B)The clouds are too high to be safe
(C)Clouds are floating in the sky

A:
A
****