A man buys a lie detector robot which slaps people who lie. He decides 2 test it @ dinner.
Dad: Son, where were u today during school hours? SON: at School. Robot slaps son! Ok,I lied, I went to the movies.
DAD: Which one?
SON: Toy Story. Robot slaps son again! Ok, it was reshma ki jawani.
DAD: What?! When I was ur age,I never watched such films...Robot slaps Dad!
MOM: Ha ha! After all he's ur son. Robot slaps mom!! Total silence..!!