Answer:
The answer to your question would be that the complement indicated by the bolded word is an objective complement.
Explanation:
An objective complement or object complement is a word that follows a direct object to state what it has become. In other words, it gives further meaning to the direct object. It can be a noun, an adjective, or a pronoun. In the example above, "a winner" is what the D.O has become, what "the play" has become.
