<https://s.mj.run/09w6lxHedG0> Generate a coloring book-style image of a sword stuck in a stone from this refernece with simple black and white lines. The image should be suitable for children to color in. Please keep the design simple and avoid complex details. Generate the image with an aspect ratio suitable for an 8.5 inch by 11 inch print. --ar 2:3  --s 250