They are very smart dogs, and are easy to train.
"Pierre's a very smart dog and understands many words," read one.
He was a smart dog; he would get it.
He is a smart dog, though easily bribed with food.
"You engineered such a smart dog, but why did you make him so small, Levi?"
"He's one of the smartest dogs I've come across, but I got him."
It really hurt me to see them and I found the sight of the smart little dog's disfigurement particularly hard to bear.
"You're a smart dog," I said, to build up her confidence.
"I don't know why we couldn't have gotten a smart dog while we were at it," Boone was saying as he walked into the kitchen.
But it did not look like one of those smart dogs in the movies.