Funny School Talk

Teacher: Bill, if Dave gives you a dog and Jane gives you a dog, how many dogs are you going to have?

Bill: Three.

Teacher: Now, Bill, think before you answer. How can it be three if Dave gives you one and Jane gives you one?

Bill: Because I already have one at home.

* * *

Nick: Ann, give me your pen, please.

Ann: And why don’t you want to write with your pen? What’s wrong with it?

Nick: It makes so many mistakes.