Joke- conversation between dad & son

Dad: who do you like more, Dad or Mum?
Child : Both
Dad: Ok, if I go to America & your Mum goes to Paris, where will you go?
Child: Paris...
Dad: that means U like ur Mum more?
Child: No, that means I like Paris.
Dad: Ok, if I go to Paris & your Mum goes to America, where will U go?
Child: America
Dad: (Angry) why!?
Child: well, bcos I've been to Paris before.
Dad: (Angry) when did U go to Paris?
Child: In the first question U asked...