The underlined word <em>unique </em>is used as C. predicate adjective in the sentence.
A predicate adjective is the adjective following a copulating/linking verb.
The linking verb here is <em>is, </em>and the predicate adjective is therefore the adjective following it, which is <em>unique. </em>
Answer:
<h2>then why are U telling Fool!!!</h2>
An appositive is a noun describing another noun right beside it. In this sentence, the appositive is "an international competition"
