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.
Parallelism, if you mean the way he spoke. which is mostly meaning heavy adjectives.
Giving human characteristics to object, places, or things
Ex: The paper danced across the classroom
I tried to put you're user and it said no rude words
Answer:
I think it's the third one. Sorry if I'm wrong.
Explanation: