Ключевые слова: adult, attractive, back, background, book, books, casual, caucasian, cheerful, class, college, education, fun, funny, girl, graduate, guy, happiness, happy, holding, homework, humor, humorous, humour, humourous, isolated, knowledge, learn, learning, lesson, lifestyle, male, man, pretty, reading, school, smile, smiling, standing, student, study, studying, successful, teen, teenager, textbook, textbooks, university, white, youth,