THE KITTY

The man with his son came to the zoo.The mother asks the son later:
-Honey,what animal do you like best of all in the zoo?
-The tiger!
-and who does your father like best of all?
-The kitty!
-What Kitty?Are there any cats in the zoo?
-No,but my father likes the Kitty,which was sitting in the cash and selling tickets.