Try to take this test. 太阳从西边出来（tài yáng cóng xī biān chū lái: the sun rises in the west), what does it mean? Have a look at the 4 choices. The answer is
c. 不可能发生的事情（bù kě néng fā shēng de shì qíng)
Does sun rise in the west? Impossible! Yes, that is the answer. Do you get it right?