Triple

Target class: former national capital
Context triple: [Memphis (ancient city), instanceOf, former national capital]

• A. capital city chosen
  A capital city is the municipality designated as the official seat of a country's or region's government, typically hosting its central administrative, legislative, and often judicial institutions.
• B. federal city of Russia
  A federal city of Russia is a major urban locality that functions as a separate federal subject, holding the same administrative status as a region or republic and typically serving as a key political, economic, or cultural center.
• C. former sovereign state
  A former sovereign state is a political entity that once possessed full independence and international recognition as a nation but has since lost that status through dissolution, merger, annexation, or other political change.
• D. former political institution
  A former political institution is an organization or governing body that once held official political authority or administrative power but has since been dissolved, replaced, or rendered inactive.
• E. former administrative territorial entity
  A former administrative territorial entity is a geographic area that once functioned as an official unit of government or administration but has since been dissolved, merged, or reorganized and no longer holds that status.
• F. None of above.