Remus: You said you had nothing to do with the prank. Are you lying to me?
Sirius: Well, that depends on your definition of lying.
Remus: It's defined as not telling the truth. How else would it be defined as?
Sirius: Reclining your body in a horizontal position, usually on a bed or couch.
Remus: Get out. Get out of my room.
Sirius: That's fair.