Maybe an elephant story joke

The class teacher asks students to name an animal that begins with an "E". One boy says, "Elephant."

Then the teacher asks for an animal that begins with a "T". The same boy says, "Two elephants."

The teacher sends the boy out of the class for bad behavior. After that she asks for an animal beginning with "M".

The boy shouts from the other side of the wall: "Maybe an elephant!"