Ключевые слова: adult, adult student, adults only, book, bookshelf, bookstore, casual clothing, caucasian ethnicity, cheerful, color image, concentration, day, desk, education, expertise, females, happiness, high school student, holding, home office, indoors, intelligence, large group of objects, learning, library, lifestyles, literature, looking, males, men, one person, people, reading, research, shelf, sitting, smiling, standing, student, studying, table, textbook, togetherness, university, university student, wisdom, women, young adult, young men,