A: There's a huge rip here. B: But there's tape on it! A: Did you put the tape there? B: No, it was there before. A: I know you're lying to me. B: If you know, then why did you ask if I put the tape on? A: I wanted to see if you were a liar or not. B: How did you know I'm lying? A: Before you check out the book, the librarian checks it for damage. B: Wow, you guys think of everything. A: Yes. Anyways, you owe $10. B: Fine, here you go.
