Vacuum Cleaner

A new vacuum cleaner salesman knocked on the door on the first house of the street.
A tall lady answered the door.
Before she could speak, the enthusiastic salesman barged into the living room and opened a big black plastic bag and poured all the cow dung onto the carpet.
"Madam, if I could not clean this up within five minutes with the use of this new powerful Vacuum cleaner, I will EAT all this dung!" exclaimed the eager salesman.
"Do you want ketchup with that?" asked the lady.
The bewildered salesman asked, "Why, madam?"
The lady replied, "There's no electricity in this house..."