MAN 1 and MAN 2 are on stage, minding their own business. MAN 1 walks over to MAN 2 and, seemingly for no reason, punches him in the face.
MAN 2: Hey!
MAN 3 (walks on stage): What happened here?
MAN 2: That dude hit me!
MAN 3 (to MAN 1): Is this true?
MAN 1: You can’t trust him. He has a grudge.