Question: Cumberland Sheepdog and East-European Shepherd, are a breed of what?
Sentence (from "East-European Shepherd"): The East European Shepherd (VEO) (in Russian: Восточно-европейская овчарка (ВЕО)) —is a breed of dog that was developed in the 1930-1950s based on German Shepherd Dogs to create a larger cold-resistant breed for military use, police work and border guard duties in the Soviet Union.
Relevant evidence: Yes