Ключевые слова: 2, animal, background, border collie, breed, brothers, canine, cute, day off, disk, divide, dog, domestic, friends, friendship, fun, game, grass, greedy, green, happy, holiday, leisure, mammal, meadow, nature, outdoor, output, outside, park, pedigree, pet, pets, play, puppy, purebred, rivals, running, share, sport, summer, take away, training, two, young,