What is the exposition of the story?

The novel's exposition introduces Ponyboy Curtis, who is leaving the movie theatre and jumped by member of the Socs' gang. Ponyboy is quickly save when members of his own gang, the Greasers, come to his rescue.

The exposition introduce Ponyboy Curtis, who is leaving the movie theatre and got jumped by a member of the Socs gang. Ponyboy is safe when members of his own gang, the Greasers, came and saved him.