Ключевые слова: adult, backyard, book, boy, busy, campus, casual, caucasian, clothing, collaborative, college, comparing, concentrated, discussing, doing, exam, examining, guy, homework, leisure, lifestyle, looking, male, man, outdoor, park, people, preparing, reading, relaxing, sitting, social, solving, student, summer, task, teamwork, teenage, teenager, textbook, weekend, work, young,