Ключевые слова: activity, age, back, bag, bean, boys, building, caucasian, childhood, children, class, classroom, early, education, elementary, females, friends, getting, girls, gray, group, indoors, inside, kids, know, knowledge, learning, males, mixed, morning, people, primary, pupil, race, red, school, schoolboy, schoolchild, schoolgirl, september, sharing, sitting, small, student, studying, talking, teacher, uniform, warmingup,