Ключевые слова: abandoned, absence, abundance, aisle, anticipation, arena, armrest, arrangement, attached, audience, chairs, choices, concert, connected, empty, event, group, horizontal, identical, label, match, numbers, orange, order, organized, parallel, pattern, plan, plastic, prepared, public, ready, red, row, seat, seating, sequence, sequential, series, similar, sport, stadium, structured, symmetrical, symmetry, theater,