It's a shame that the Chinaman pissed on your rug, Dude... It really tied the room together.
BRANDT: He suspects that the culprits might be the very people who, uh, soiled your rug, and you're in a unique position to confirm or, uh, disconfirm that suspicion.
DUDE: So he thinks it's the carpet-pissers, huh?
BRANDT: Well Dude, we just don't know.