Misunderstood: The Uncomfortable Laugh

This passage is going to be about a time I felt misunderstood and the actions of others.
Back when I was younger, I was sitting in class, when a mentally challenged student walked in. He wasn't originally in this class; he had made a mistake and was confused. He began to ask for his teacher, and if we know who or where she was. Meanwhile I was reading my book, not paying attention to the class; I came across a funny line. I began to laugh out loud and uncontrollably. The teacher began to yell at me, for laughing at the boy. She then pulled me aside and asks me why I was laughing. I told he…