Ключевые слова: attentive, book, caucasian, child, children, class, classmates, classroom, education, elementary, explaining, female, girl, group, help, kid, leaning, learning, lesson, notebooks, primary, pupils, read, scholar, school, schoolchildren, schoolgirls, schoolkid, seated, sitting, student, studying, teacher, teaches, teenagers, teens, textbook, tutor, woman, working, young,