medium-sized dog with black, white, and brown fur

medium-sized dog with black, white, and brown fur. The dog is standing on a concrete ledge and looks up at the camera. Its mouth is open, showing its teeth. A hand reaches into the frame and pets the dog's head. Another dog is briefly visible in the background. The setting appears to be outdoors, possibly a park or public area, at night. The area is lit by artificial lights.