1. is Hook and Thesis
2. is Topic Sentence
3. is Predicate
These are the only ones I know that are possible correct answers.
The answer is a. It compares the two and gives examples that way it gives you a better idea of what each one is.
A hook relating to love is painful can be: "Because every time I think of you is the happiest and the saddest moment of my day. I will never understand why loving you hurts so much"
In writing a hook is a brieft introduction that helps catching the readers attention. A hook can be a quote, a question or just some words that give the reader a clue about the topic of the text.
