human
Generate for me a description of a romantic scene inside a mansion with windows, chairs, a staircase, stained glass, and lunettes.
assistant
A wide stone staircase, laid with a sapphire runner, descends to the herringbone-patterned dance floor. The arched opening at the top of the stairs sits well beneath the ceiling, with its elaborate silver-ribbed fan vaulting, though the staircase itself is not steep, but merely a long, gentle incline. At the far end of the ballroom, high up, the heavy stone wall is cut away in favor of a series of stained glass windows. A few silver-gilt chairs and tables rest under the blued lunettes.