A small Bayesian network diagram: 4 hollow ring-shaped nodes (circle outlines, NOT filled circles — just thick rust strokes with empty centers) connected by directed arrows. Every single edge MUST have a clearly visible arrowhead — no plain undirected lines. The graph is a directed acyclic graph: one parent node at the top, with arrows flowing down to two child nodes, and one of those children has an arrow flowing further down to a fourth node. Color: #C55E5D rust only, on transparent background. Metaphor: probabilistic reasoning — turning uncertain evidence into a clearer answer about the underlying cause. No more than 3 distinct figures. Few large bold shapes, no fine details. Two colors only: #C55E5D. Transparent background. Simple, minimal, clean.
PASS — Structural: 7/7, LLM Judge: PASS. “The image shows exactly 4 hollow ring-shaped nodes connected by directed arrows in a proper DAG structure with one parent flowing to two children, and one child flowing to a fourth node. All arrows have clearly visible arrowheads and the metaphor of probabilistic reasoning flowing from uncertain evidence to clearer conclusions is well communicated through the hierarchical structure.”
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