It's polite to do favors for your neighbor.
James goes outside to get the mail and sees a stray dog barking at his neighbor Earl.
James wants to get the mail.
James makes the dog go away and gets his mail from the mailbox.
James goes to his mailbox and leaves Earl with the dog.
Earl thanks James for helping to get the dog away from him.
Earl is injured by the dog and has to go to the hospital.