Ключевые слова: boy, caucasian, child, children, class, classmate, classroom, education, educational, elementary, emotion, female, friends, game, girl, group, happy, indoor, kid, kids, laptop, learning, lesson, lifestyle, little, many, modern, notebook, people, person, play, portrait, primary, pupil, school, schoolboy, schoolgirl, selective focus, sitting, student, study, studying, teach, technology, teenager, together, typing, using, writing, young,