Ключевые слова: alone, application, back, bench, boy, boys, casual, caucasian, cell, cellphone, child, children, city, communication, concept, cute, education, female, game, girl, happy, holding, kid, kids, leisure, lifestyle, looking, mafe, man, mobile, outdoor, outside, park, people, person, phone, pupil, sad, school, sitting, smart, smartphone, studying, technology, teen, urban, using, video, white, young,