We just read this book so it depends on if the Socs and Greasers or S v.S or G v. G. For S v. G there were certain things that both groups couldn't do. The rules were established by both groups agreeing.
The correct answer is research
You never lose sight of your thesis, main idea, and the message you're trying to convey to the reader.
It's to disagree with a person's opinion in a story, biography, or a narrated story.
Well, that was fun to answer!