Ключевые слова: background, book, books, boy, casual, caucasian, cheerful, class, collage, collection, college, compilation, composite, education, graduate, group, happiness, happy, holding, homework, indoors, isolated, knowledge, learn, learning, lesson, lifestyle, man, montage, nerd, poses, reading, school, science, set, smile, smiling, standing, student, study, studying, successful, teen, teenager, textbook, university, variation, various, white, young,