Sharon was five years old. Her best friend was Pam. They played games together. They played all kinds of games. They had fun together. But one day Pam pushed Sharon. "Why did you push me?" Sharon asked. "Because," Pam said. Sharon told Pam not to push her again. So, Pam pushed Sharon again. Sharon pushed Pam back. Then Pam pulled Sharon's hair. Then Sharon pulled Pam's hair. Both of them started crying. Sharon's momcame into the room. She told Pam to go home. Pam ran out of the house. "Sharon, you can't play with Pam anymore," Sharon's mother said.