So, today in art...Student: Can I get another sheet of paper? Me: What happened to yours? Student: It got wet. Me: How? Student: I don't know. Me: What do you mean you don't know? Student: I don't know. Me: Were you near water? Student: I was at the water fountain. Me: So it got wet there? Student: I don't know. Can I have another one. Me: I don't know.