Parametric optical illusion poster

2x2 grid, perform the following operations for AI-inferred graphics and colors: python_scene_graph :: parametric_optical_illusion class variables: topic = "" duality = "infer opposing or layered meanings" primary_silhouette = "infer the dominant and readable outer silhouette" hidden_image = "infer the secondary image from negative space" symbols = "infer minimal auxiliary symbols" palette = "infer 2-4 colors based on mood" style = "minimalist negative space poster" class combination: first_read = variables.primary_silhouette second_read = variables.hidden_image rule = "the two images must share edges and contours" density = "low detail, high clarity" class shape logic: black_shapes = "define the main silhouette" white_or_color_voids = "define the hidden image" intersections = "designed so both interpretations remain intentional" class rendering: camera = "flat poster view" texture = "optional subtle paper texture" lighting = "none; flat design clarity" output = "concise optical illusion metaphor poster" def generate(): return "render as a dual-interpretation negative space image, without hardcoded symbols."