buzzzz

An Englishman, an American and Santa are called upon to test a lie detector.
The Englishman says: I think I can empty 20 bottles of beer.
BUZZZZZZ, goes the lie detector.
Ok, he says, 10 bottles.
And the machine is silent.
The American says: I think I can eat 15 hamburgers.
BUZZZZZZ, goes the lie detector.
Allright, 8 hamburgers.
And the machine is silent.
The Santa says: I think...,
BUZZZZZZ goes the mac