What's the Extent of the Damage?

By the time Sarah got to her fourth period class, she definitely started to feel odd. The teacher was rambling on and on about some math equation or something, when Sarah looked down at herself and noticed that her shirt had changed. How did she not notice this before? And how come no one pointed it out to her? Wait a minute ... her shirt *changed*? How was that possible? "Ah-hem," the teacher said, getting Sarah's attention. She looked up and saw the teacher and some of the other students looking at her. Suddenly, she felt embarrassed. Everyone in the class could see how she was dressed. And she just *knew* that they would tell their friends. By the end of the day, everyone would know that she was dressed like a ... "Sarah," the teacher said. "Is there something wrong?" "Uh ... I need to use the restroom," she said. She needed to ascertain the extent of the damage. "Alright, but be back as soon as possible. We're having the quiz at the end of the class." "Okay," Sarah said, then stood up and headed out the door. Once inside the girls restroom just down the hall, she looked at herself in the mirror and got a shock. It was worse than she thought.