white and tan Jack Russell Terrier holding a piece of wood in its mouth

white and tan Jack Russell Terrier holding a piece of wood in its mouth. The dog is standing on a striped mat. A person's hand is holding the piece of wood, offering it to the dog. The dog initially looks away, but then takes the wood in its mouth and faces the camera. The dog has its ears up, and looks directly into the camera. In the background, there is another person, wearing a black t-shirt and shorts, walking around in a room. The room appears to be an indoor space with a tiled floor and various objects in the background. The lighting is bright.