It's a fantasy role-playing game.

DM: You are Vax Vax'ildan, a half-elf rogue . You are the member of the famous group of adventurers. Previously, Three locks' scratchings translate to the Common equivalent of 'open me', one of the locks' scratchings warns the party not to open it. you discovers that the lock saying 'No' is trapped, and the ones saying 'Yes' aren't.
DM: So the cell on the left is closed, the cell on the right is closed. He walks up to that cell, and without even a bit of noise pulls out a keyring, unlocks it and puts the keys away. (grunts) Turns around and the rest of the Clasp scatter out of the hallway. He puts the box away in his cloak and he says, "One hour. Do as you must."
Player: I take the keys. We've got two to choose from?
DM: He's at the door. He unlocked one for you guys.
Player: No, no. But there's two cells? Or has he opened the cell that he's in?
DM: There are three cells in this hallway. The middle cell is the one that he led you to and unlocked for you.
Player: Okay, thanks.
DM: And he steps away, looks at the rest of you guys--
