A dad decides he's had enough of not knowing when his family is telling the truth or not, so he decides to purchase a truth-detecting robot that slaps the person that tells a lie. The father decides to test it out at the dinner table.
"So son, what did you get up to today after school?"
"Not much Dad, just read a book"
Robot smacks son
"What did you really do son?"
"Okay okay, i watched a DVD"
"What did you watch?"
"The Lion King"
Robot slaps the son
"What did you really watch son?
"Okay i watched porn"
"Porn? I didnt even know what porn was when i was your age"
Robot smacks the father
Now the mother chimes in
"Hahaha, oh he's definitely your son alrite"
Robot smacks the mother..........