Ключевые слова: auditorium, black, blackboard, board, bright, business, chair, chairs, chalk, chalkboard, class, classroom, college, conference, desk, desks, education, empty, furniture, high, indoors, inside, interior, learn, lecture, lesson, meeting, modern, nobody, office, room, school, seat, seminar, student, study, table, teaching, training, university, wall, white, windows, wood, wooden, work,