Ключевые слова: 1314, book, boy, caucasian, cheerful, child, childhood, children, class, classroom, education, educator, female, girl, horizontal, indoors, kids, knowledge, learning, library, male, people, person, pupil, sad, school, schoolboy, schoolchildren, schoolgirl, sitting, stacks, study, studying, table, teacher, teen, teenage, teenager, tired, together, unhappy, upset, woman, young,