Answer:
Either, but if you need to pick one it would be noun.
Explanation:
The predicate nominative (or predicate noun) is the noun or pronoun that comes after a linking verb. It renames the subject of the sentence. The sentence should still make sense if you switch the predicate nominative and the subject.
1: No
2: Yes
3: Yes
Hope this helps.
During the book burn liesel's school friend breaks his ankle
They question wether someone of his class and with his education could be so brilliant
