Little Johny being literal

Teacher asks the children to discuss what their Dad’s do for a living.Little Mary says: „My Dad is a lawyer. He puts the bad guys in jail.“Little Jack says: „My Dad is a doctor. He makes all the sick people better.“All the kids in the class had their turn except Little Johnny.Teacher says: „Johnny, what does your Dad do ?“Johnny says: „My Dad is dead.““I’m sorry to hear that, but what did he do before he died ?““He turned blue and shat on the carpet.“