A lie machine is bought.It works in the
following way.....

If the truth is told- the machine wont give any
sound
If a lie is told- the machine will give a sound
'KIRRRRRRRR...'

Now there are three Indians.One Bengali,one Madrasi
and one Sardarji.

Their correspondences are given infront of the lie
machine.Here it goes......

Bengali:- 'I think I can eat 30 rosogullas at a time!'
Lie machine:- 'KIRRRRRRRR...'
Bengali:-'No no, I think I can eat 10 rosogullas at a time'
Lie machine:- no sound(truth is told)

Madrasi:-'I think i can eat 25 dosas at a time'
Lie machine:- 'KIRRRRRRRR...'
Madrasi:-'No no,I think i can eat 10 dosas at a time'
Lie machine:-no sound(truth)

Sardarji:-'I think....'
Lie machine:-  'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:- 'KIRRRRRRRR...' .
Sardarji:-'I think...'
Lie machine:- 'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:-' 'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:-' 'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:-' 'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:-' 'KIRRRRRRRR...'
Sardarji:-'I think...'
Lie machine:-' 'KIRRRRRRRR...'