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]: Saturn is the earth's only natural satellite.
(A) Saturn and earth belong to the same solar system.
(B)Saturn is a planet, not a satellite and it revolves around the sun.
(C)Saturn and earth are celestial bodies.
[A]: B

[Q]: He used a handkerchief to cover the bed
(A) A handkerchief is square whereas a bed is rectangle
(B)A handkerchief is white whereas the bed is brown
(C)A bed is much much larger than a handkerchief
[A]:
C