Ключевые слова: academic, back, black, bored, boy, caucasian, childhood, children, class, classmates, classroom, concentration, cute, desk, development, discussion, early, education, elementary, female, girl, group, horizontal, indoor, kid, knowledge, learn, lesson, little, male, notepad, occupation, person, portrait, primary, problem, pupil, reading, sad, school, schoolboy, schoolgirl, sitting, student, studying, teaching, tired, unhappy, young,