Father asks the son, "Where were you last night?"
Son replies, "I was at the library"
The robot slaps the son.
"OK I was at a friend's house, watching a movie!"
Father says, "What movie?"
Robot slaps the son.
"OK it was porn!"
Father yells, "What? When I was your age I did not know what porn was."
Robot slaps the father.
Mother laughs and says, "He certainly is your son."
Robot slaps the mother.