They fear that if border collies are bred for the color of their coats rather than the content of their character, eventually their herding instinct will fade away.
Border collies have been the most popular dogs this decade.
mnli hypothesis: Border collies have been the most popular dogs this decade. premise: They fear that if border collies are bred for the color of their coats rather than the content of their character, eventually their herding instinct will fade away.