Ключевые слова: aspirations, blue, circle, color image, concrete, curve, day, dodgeball, enjoyment, evening ball, exercising, fitness ball, flooring, fun, gym, hardwood floor, healthcare and medicine, high angle view, hobbies, horizontal, indoors, leisure activity, lifestyles, no people, obedience, positive emotion, recreational pursuit, single object, sphere, sport, sports ball, strength, variation,