Jokes: Slappting Robot

My father bought a robot that will slap anybody who lies and wanted to test it at dinner:

Dad: Son, where were you during school?
Son: School

The robot slaps the son

Son: Okay, I saw a movie with friends
Dad: What movie?
Son: Kung Fu Panda

The robot slaps the son

Son: Okay! It was porn
Dad: What?! At your age I did not know about porn!

The robot slaps the dad

Mother: Ha ha ha, after all he is your son

The robot slaps the mother