Norman's wife goes out and moves her car. A week later while they are eating breakfast, the radio announcer says, "We are expecting 10 to 12 centimeters of snow today. You must park your car on the odd numbered side of the street, so the snowplow can get through."

Norman's wife goes out and moves her car again. The next week they are having breakfast again, when the radio announcer says "We are expecting 12 to 14 centimeters of snow today. You must park..........." then the electric power goes out.

Norman's wife is very upset, and with a worried look on her face she says, “Honey, I don't know what to do. Which side of the street do I need to park on so the snowplow can get through?”