"Ventriloquist and the Indian" joke

A ventriloquist cowboy walks into town and sees an Indian sitting on his porch. He figures he'll have a little fun...
Cowboy: "Hey, cool dog. Mind if I speak to him?"
Indian: "Dog no talk."
Cowboy: "Hey dog, how's it going?"
Dog: "Doin' alright."
Indian: shows extreme look of shock
Cowboy: "Is this Indian your owner?" pointing at Indian.
Dog: "Yep"
Cowboy: "How does he treat you?"
Dog: "Real good. He walks me twice a day, feeds me great food, and takes me to the lake once a week to play."
Indian: shows look of disbelief
Cowboy: "Mind if I talk to your horse?"
Indian: "Horse no talk."
Cowboy: "Hey horse, how's it going?"
Horse: "Cool."
Indian: extreme look of shock
Cowboy: "Is this your owner? "pointing at Indian.
Horse: "Yep."
Cowboy: "How's he treat you?"
Horse: "Pretty good, thanks for asking. He rides me regularly, brushes me down often, and keeps me in the barn to protect me from the elements."
Indian: shows total look of amazement
Cowboy: "Mind if I talk to your sheep?"
Indian: "Sheep Lie!"