Create a set of vector clipart designs featuring black Labrador Retrievers. The clipart should depict the playful and friendly nature of black Labs. Each design should showcase a single black Lab in different poses and activities. The Labradors should have a distinct, recognizable shape with sleek lines and minimal details. The color palette should focus on shades of black and dark gray, with subtle highlights and shading to add depth and dimension to the illustrations. The clipart should be ver