Four friends lived in a room namely Mad, Somebody, Nobody and Brain. One day Somebody killed Nobody. That time Brain was in bathroom, Mad called Police
Mad : Is it Police station ?
Pol : Yes, Whats the matter?
Mad : Somebody killed Nobody.
Pol : Are you Mad !
Mad : Yes, I m Mad.
Pol : Don't you have Brian?
Pol : Don't you have Brain?
Mad : Brain is in the bathroom.