Identify the subject, verb , direct object, indirect object , object complement, in the sentence.

People call Philadelphia " the city of brotherly love'.

Let's start with the verb -- the word that shows action. The verb is call.

Then, ask "who is doing that action?" Who call? That gives us the subject. People is the subject.

People call

To find the direct object, ask "what do the people call?"

People call Philadelphia.

That gets you started. Is there an indirect object -- a word that tells "to or for whom or what?"

Is there an object complement -- a word or phrase that modifies the direct object?

Please post your ideas, and we'll be glad to check them.

Subject: People

Verb: call
Direct object: Philadelphia
Object complement: "the city of brotherly love"
There is no indirect object in this sentence.