Fiction in which the author self-consciously <span>to the artificiality or literariness of a work by parodying or departing from novelistic conventions</span>
The phrase <em>the antique fire truck </em>is used as a complete subject, because you are including all of these words to form a subject, so it cannot be a simple one (just one word). It isn't a compound subject either, because that would be two or more words connected with a conjunction <em>and, </em>or some other one.
Answer:
The subject pronoun would be We.
Explanation:
"In linguistics, a subject pronoun is a personal pronoun that is used as the subject of a verb. Subject pronouns are usually in the nominative case for languages with a nominative–accusative alignment pattern."
Wikipedia
