YouTube thumbnail, 16:9, high contrast, vibrant, clean composition. Sunny Nha Trang beach background: blue sky, palm trees, sand, ocean. At the top center: one Vietnamese flag (red flag with yellow star) waving. Left side: McDonald's logo (golden arches) with a Big Mac and fries. Right side: KFC logo (Colonel Sanders) with a bucket of fried chicken. In the center between them: large glowing "VS" with lightning bolt effect. No other flags. In the foreground: a young woman (use the uploaded reference photo for her face if provided) holding both foods, looking excited and slightly skeptical. Photorealistic, 4K, sharp focus, saturated colors, cinematic lighting, YouTube thumbnail style.
--ar 16:9 --v 6.1 --style raw
