human
Produce a detailed written description of a spooky scene outside town with arched windows, a mastiff, and vines.
assistant
Tendrils of spider vines cascade from the rooftop garden and down the front of a tall building dominating its neighbors. Trailing greenery nearly obscures the arched windows and polished basalt facade. Perhaps discouraged by the pointy-eared mastiff patrolling the small fenced yard, few people choose to visit this dark edifice.