What is the capital of Argentina?

Answer options

• Correct: Buenos Aires
  "Buenos Aires" - target profile F1: Buenos Aires: The source evidence is summarized conservatively. F2: This question targets Buenos Aires; Buenos Aires is the comparison option. F3: Buenos Aires remains correct for the required answer. F4: Buenos Aires remains the capital of the target country.
• Option: Prague
  "Prague" - comparison profile F1: Prague: The source evidence is summarized conservatively. F2: This question targets Buenos Aires; Prague is the comparison option. F3: Prague remains wrong for the required answer. F4: Prague remains the capital of Czech Republic, so it misses the capital of Argentina.
• Option: Bucharest
  "Bucharest" - comparison profile F1: Bucharest: The source evidence is summarized conservatively. F2: This question targets Buenos Aires; Bucharest is the comparison option. F3: Bucharest remains wrong for the required answer. F4: Bucharest remains the capital of Romania, so it misses the capital of Argentina.
• Option: Sofia
  "Sofia" - comparison profile F1: Sofia: The source evidence is summarized conservatively. F2: This question targets Buenos Aires; Sofia is the comparison option. F3: Sofia remains wrong for the required answer. F4: Sofia remains the capital of Bulgaria, so it misses the capital of Argentina.

Solution

Buenos Aires

"Buenos Aires" is the capital of Argentina. Source: Wikipedia. "Buenos Aires" remains the validated target for this prompt while the alternatives fail the same criterion. Source: Wikipedia. As of: 2026-02-13. Buenos Aires remains the required target mapping in this prompt, and source-backed comparison with the other options confirms this assignment. Source: Wikidata.

Fun fact

Buenos Aires remains the anchor answer for Geografie in this question family. Topic tie-in: Geografie focus Fluesse keeps the rule transferable to similar prompts and deterministic reruns. Buenos Aires shapes national coordination as the seat of government in Argentina and separates Buenos Aires from close distractors in later sessions. Buenos Aires anchors the transfer across related prompts.