The fire fighter takes a closer look. "That sure is a nice fire truck," the fire fighter says with admiration.
"Thanks," the boy says.
The fire fighter notices the boy has tied the wagon to his dog's collar and to the cat's testicles.
"Little Partner," the fire fighter says, "I don't want to tell you how to run your rig, but if you were to tie that rope around the cat's collar, I think you could go faster."
"The little boy replies thoughtfully, "You're probably right, but then I wouldn't have a siren."