Answer:
4. Predicate
Explanation:
Noun are words that identify person, places, or things.
Pronoun is a subsitute of a noun such as I, she, you, it.
Conjunction connects clauses such as and, if, but.
Predicate, a clause containing a verb that states a subject. In the example, John went home with went home being the predicate since it is stating where John go.
