Ключевые слова: action, active, agility, attitude, ball, breed, canine, carefree, catching, chase, concentration, copy space, determination, dog, domestic, domestic animals, educate, effort, excitement, exercising, friendly, friendship, game, hound, intelligence, joy, jumping, labrador, learn, look, mammal, no people, obedient, outside, park, pedigree, pet, play, playful, puppy, recreation, retriever, run, running, sphere, sunny, tennis ball, vitality, young animal,