Ключевые слова: action, activity, african, ball, business, casual, caucasian, challenge, championship, concentration, enjoying, exercise, female, friend, friends, friendship, fun, game, group, indoor, joy, joyful, laughing, leisure, male, man, match, office, partner, people, ping, play, player, playful, playing, pong, racket, recreation, relation, smile, smiling, sport, table, tennis, together, woman, work, workplace, young,