Josh: At Christmas time I will get 3 surprises.
Mom: OK.
J: At Christmas time when the baby comes I will get 3 surprises: a Lightning TV, a Mater watch, and a Lightning lamp.
M: So you want a Lightning TV, a Mater watch, and a Lightning lamp with a light bulb for your Christmas surprises?
J: Yes, a Lightning TV, a Mater watch, and a Lightning lamp with a light bulb.
M: Why do you get 3 surprises?
J: Because I will be 3 at Christmas.
M: Will you get 4 surprises when you are 4?
J: Yes.
M: So how many surprises do I get?
J: (Pause)…Why did that bird poop on our car?