Solution
Brussels
"Brussels" is the capital of Belgium. Source: Wikidata. "Brussels" remains the validated target for this prompt while the alternatives fail the same criterion. Source: Wikidata. As of: 2026-02-13. Brussels remains the required target mapping in this prompt, and source-backed comparison with the other options confirms this assignment. Source: Wikidata.
Fun fact
Brussels remains the anchor answer for Geografie in this question family. Topic tie-in: Geografie focus Wueste keeps the rule transferable to similar prompts and deterministic reruns. Brussels shapes national coordination as the seat of government in Belgium and separates Brussels from close distractors in later sessions. Brussels anchors the transfer across related prompts.