Ключевые слова: architecture, armchair, audience, auditorium, black, business, chairs, class, classroom, college, communication, company, concert, conference, congress, convention, corporate, education, empty, event, furniture, greeting, group, hall, indoors, inside, interior, lecture, line, meeting, modern, nobody, objects, performance, pillar, place, plastic, presentation, public, room, row, school, seat, seminar, sitting, student, study, theater, training, university,