I will EAT all this stuff

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 dirty things onto the carpet.
"Madam, if I could not clean this up with the use of this new powerful vacuum cleaner,
I will EAT all this stuff!", exclaimed the eager salesman.
“Do you need chilli sauce or ketchup with that" asked the lady.
The bewildered salesman asked, "Why, madam?"
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"We just moved in, & there's no electricity in the house!"