Goal: Generate a single image of a classic smiley face.

Deliverables: - One image file (PNG preferred) depicting a smiley face: a round yellow face with two dark eyes and a smiling mouth. - The image should be clear and well-formed, e.g. 512x512 pixels or larger. Acceptance criteria: 1. The image shows a recognizable yellow smiley face (round face, two eyes, smiling mouth). 2. Delivered as PNG (or JPG) with reasonable resolution (at least 256x256). Out of scope: animations, video, complex scenes or backgrounds.