A father buys a lie detector robot that slaps you when you lie.
He decides to test it out on his son at supper.
Dad says: “Where were you last night?”
Son says: “I was at the library.”
The robot slaps the son.
Son says “OK, I was at a friend’s house.”
“Doing what?” asked the father.
Son says: “Watching a movie toy Story.”
The robot slaps the son.
“OK it was dirty!” cried the son.
Father yells “What? When I was your age I didn’t know what dirty was.”
The robot slaps the father.
The mother laughs and says, “He certainly is your son.”
The robot slaps the mother.