Lie detector ROBOT


A man buys a lie detector robot that slaps people who lie.He decides to test it at dinner.
DAD: Son, where were u today during school hours?
SON:At school
*Robot slaps Son*
SON:OK,I went to the movies
DAD:Which one?
SON:ToyStory
*he slaps son again*
SON: OK, it was day with my girlfriend.
DAD:WHAT? When I was ur age I didn't look at girls.
*he slaps dad*
MOM:HAHA!After all he's ur son
*he slaps mom*