story: Amy got a flat tire on the way home from work. She called Triple A and waited nervously. A truck pulled up behind her, but it wasn't Triple A. It was a man who stopped to help and he changed the tire for her. Amy drove away, happy there were still good samaritans in the world.
 selected sentence: It was a man who stopped to help and he changed the tire for her.
The man helps change Amy's tire >Causes> She feel(s) grateful