Ключевые слова: action, active, animal, ball, beautiful, big, boy, boys, brothers, caucasian, child, childhood, children, collie, cute, dog, family, field, friends, friendship, fun, grass, green, happiness, happy, health, healthy, hobby, kid, kids, life, lifestyle, little, male, meadow, outdoor, outside, park, people, pet, play, playful, puppy, recreation, run, siblings, small, smile, summer, trees, two, white, young, youth,