Ключевые слова: after shool, back, background, blackboard, blur, board, chair, chalkboard, class, classroom, coaching, college, desk, education, elementary, empty, exam, examination, furniture, green, high, indoors, inside, interior, japan, knowledge, learn, lecture, lesson, nobody, primary, room, school, seat, sitting, student, students, study, table, teacher, teaching, training, tutor, university, wall, wooden, young,