What is the function of complement shown in parentheses this sentence Did our teasing make Sidney UPSET?

The word "UPSET" in parentheses in the sentence "Did our teasing make Sidney UPSET?" is functioning as a direct object.

Here's why:

* Direct objects are the nouns or pronouns that receive the action of the verb.

* In this sentence, the verb is "make".

* The question is asking if the teasing made Sidney experience a specific state, which is "UPSET".

Therefore, "UPSET" is the direct object of the verb "make".