Is your dog intelligent or dumb?

Dog's come in all shapes and sizes and some are smarter than many people. After all you've never seen a dog on GAG ask "why does he stroke me?" Have you?
Other dog's are daft as a brush.
Dog's are either four legged geniuses or dumb, there's no in-between.
Dumb dog
Dumb dog
Clever dog
Clever dog
Is your dog intelligent or dumb?
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