-Do you have any ID with you? (librarian)
- Oh, yeas, my UCSD card (me)
- Hummm, I´m afraid there´s something wrong… (librarian)
- What could be? Maybe my passport could solve …(me)
- No, it seems you have already been using our system, you´re already a member (librarian)
- Must be some mistake, I never been here before, my [...]
