Sidney on the shoulder with his finger. “What?” Sidney said. Harry didn’t answer. He just kept tapping Sidney’s shoulder. “Stop tapping me!” When Harry didn’t stop, Sidney grabbed Harry’s finger and pulled on it. “Auugh!” Sidney screamed. “I pulled Harry’s finger off!” “AUUGH!” The class yelled. We could tell Sidney was holding on to something and flopping it in the air. When the guide shone his flashlight