Answer:
interrogative and or pronoun
Explanation:
Who (pronoun) The pronoun who, in English, is an interrogative pronoun and a relative pronoun, used chiefly to refer to humans. Its derived forms include whom, an objective form the use of which is now generally confined to formal English; the possessive form whose; and the indefinite form whoever (also whosoever, whom(so)ever
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11. ADV (<em>Although many tornadoes occur throughout the United States </em>is an adverbial subordinate clause because it functions as an adverb expressing concession.)
12. ADJ (This sentence contains two adjectival clauses coordinated with one another with the conjunction <em>or</em>.)
13. N (<em>that trucks can no longer travel on Grove Street</em> is a noun subordinate clause because it functions as a noun in this sentence and it is the object of the verb <em>heard</em>.)
14. ADV (<em>before you put it in the freezer</em> is an adverbial subordinate clause, because it functions as an adverb, which expresses time.)
15. ADV (<em>Since I will have a test in Spanish</em> is an adverbial subordinate clause because it functions as an adverb expressing reason.)
It foreshadows the outcome of the play. This is because it mentiones that they are dead. It allows you to guess what is going to happen next as both the lovers die and the families end their fued only after their children's death.