Ключевые слова: adult, attention, attentive, bachelor, background, book, child, children, class, classroom, cognition, education, elementary, elementary school, encouraging, female, front view, fun, group, horizontal, indoor, knowledge, learning, lesson, listening, literacy, male, man, occupation, person, positive, primary, pupil, school, schoolkid, small child, student, students, study, success, support, teacher, teaching, teachings, together, togetherness, tuition, uniform, woman, working,