Quote from Monica in The One with Phoebe's Wedding
Monica: Oh, Pheebs, spit that out. That has pork in it. Phoebe: I thought the pot stickers were supposed to be vegetarian? Monica: Yeah, I changed them. I sent you a fax about it. Phoebe: I don't have a fax machine. Monica: Huh. Well, then there are gonna be a few surprises.