Triple

Target class: United States national park unit
Context triple: [Mississippi National River and Recreation Area, instanceOf, United States national park unit]

• A. United States National Park Service unit chosen
  A United States National Park Service unit is a designated protected area or site—such as a park, monument, seashore, or historic site—managed by the National Park Service for the preservation of natural, cultural, and historical resources and for public enjoyment.
• B. national park area
  A national park area is a protected geographic region designated by a government to conserve natural landscapes, ecosystems, and wildlife while providing opportunities for public recreation and education.
• C. United States National Historical Park
  A United States National Historical Park is a protected area designated by the federal government to preserve and interpret places of national historical significance, often encompassing multiple sites or a large landscape associated with important events, people, or themes in American history.
• D. national park authority
  A national park authority is a governmental or designated public body responsible for managing, protecting, and promoting the sustainable use and enjoyment of a country's national parks and their natural and cultural resources.
• E. federal wilderness area
  A federal wilderness area is a region of public land designated and protected by the government to preserve its natural conditions, where human activities and development are highly restricted to maintain its wilderness character.
• F. None of above.