Not only that, but chewing is a very natural doggie behavior, whether we humans like it or not. (houstonpettalk.com)
The breed isn't known for precise obedience, but these dogs have more than enough intelligence to learn the basics of good doggie behavior. (soonervet.net)
Teaching dogs ESL — English as Second Language — English words for doggy behaviors and actions. (happydogtrain.com)