caption: The image shows three watermelons on a green background, with a watermark in the bottom right corner. The melons are arranged in a triangular formation, with the largest one in the center and two smaller ones on either side. The colors of the melons range from a bright yellow to a deep green, and the texture of the skin is bumpy and bumpy. The background is a vibrant green, providing a stark contrast to the bright yellow of the watermelon.