QUESTION / ASSERTION
        │
        ▼
      PROBA
        │
        ├── Semantic concepts
        │
        └── Recovered source terms
        │
        ▼
       NIST
        │
        ├── NEAR  → Governing Evidence / Proximity
        │
        └── ABOUT → Governing Context / Coverage
        │
        ▼
  EVIDENCE IN THE RECORD