Ключевые слова: active, agility, animal, background, ball, beautiful, beauty, black, breed, bring, buzzer, common, cute, dog, domestic, female, friend, fun, game, grass, green, gull, humane, jump, lawn, love, mammal, meadow, nature, nearly, nobody, outdoor, outside, park, person, pet, play, pleasure, protection, purebred, retrieve, speed, sports, sunny, together, training, tug,