Answer:
oxymoron
Explanation:
sad-joy is self-contradictory
The correct answer is: A) Vanity is dangerous.
This Greek myth tells the story of Narcissus, known for his incredible beauty, and Echo, a nymph who fell in love with him.
Narcissus was supposed to have a long life, but only if he never saw himself. When he rejected Echo, he angered the Gods and happened to fall in love with himself after seeing his own reflection in the water. The extreme vanity of Narcissus ultimately led to his death.
Sentiences 3 and 8 because they express emotional thought other than fact. For sentence three, using "terrible waste" can be debateable and shows more of an opinion. And sentence 8, by using "shouldn't" showing its still a posssiby something can or can not happen.