This is the scene in the beginning right after PonyBoy got beaten up by the Socs. This is when Soda, the brown eyed boy, and Darry, the blue eyed boy, came to scare the Socs away. In this scene, Soda looked worried, and Darry is yelling at PonyBoy for his foolish actions.
This scene is when PonyBoy and Cherry got up in the middle of the movie to get something to eat. They are talking about Socs and Greasers here. While waiting in line for their food. They are both casual in this scene.
This is the scene after PonyBoy went home at 1 am. He had ran out of the house after Darry slapped him, feeling angry, and meeting Johnny at the parking lot where they were just a few minutes ago. PonyBoy is complaining his problems to Johnny whilst Johnny tries to compare that to his life.