Water in the carburetor

WIFE: “There is trouble with the car. It has water in the carburetor.”

HUSBAND: “Water in the carburetor? That’s ridiculous ”

WIFE: “I tell you the car has water in the carburetor.”

HUSBAND: “You don’t even know what a carburetor is. I’ll check it out. Where’s the car?

WIFE: “In the river”