SRL for [confounded]: Travelers entering from the desert were [confounded] by what must have seemed an illusion : a great garden filled with nightingales and roses , cut by canals and terraced promenades , studded with water tanks of turquoise tile in which were reflected the glistening blue curves of a hundred domes .
ARG-1: Travelers entering from the desert | ARG-0: by what must have seemed an illusion : a great garden filled with nightingales and roses , cut by canals and terraced promenades , studded with water tanks of turquoise tile in which were reflected the glistening blue curves of a hundred domes