Question: What were the Black Russian Terrier and the Samoyed dog breeds used for?
Sentence (from "Black Russian Terrier"): The Black Russian Terrier (abbreviated as BRT), also known as the Tchiorny Terrier ("tchiorny" being Russian for black) is a breed of dog created in USSR in Red Star (Krasnaya Zvezda) Kennel during the late 1940s and the early 1950s for use as military/working dogs.
Relevant evidence: No