Dad Joke Dog

THAT WAS FUN...I'VE BEEN CHASING CARS; WHY DO DOGS CHASE CARS? OUTSIDE IT'S EITHER A HARD SURFACE OR SOFT GROUND; CARS GET THE HARD SURFACE, BUT US DOGS GET THE SOFT GROUND; SO WE HAVE TO REMIND CARS TO STAY IN THEIR PLACE; IT'S A RULE...YOU CAN LOOK IT UP