Ключевые слова: adult, attractive female, beautiful, blackboard, book, casual, caucasian, chalk drawing, choice, classroom, college student, day dreaming, desk, dreams, education, expressing positivity, eye wear, facial expression, female, formula, glasses, grimace, homework, intelligence, joy, leaning, learning, looking up, mathematics, notebook, one person, pensive, people, planning, portrait, school, sitting, smiling, student, studying, table, thinking, thoughtful, university, woman, young adult,