Leigh Ortenburger party (disputed/various sources)

Target entity: Leigh Ortenburger party (disputed/various sources)
Context triple: [Mount Moran, firstAscentBy, Leigh Ortenburger party (disputed/various sources)]

• A. Tagammu Party
  The Tagammu Party is a leftist Egyptian political party known for its secular, socialist orientation and opposition to Islamist movements.
• B. Neuberger
  Neuberger is a surname most prominently associated with Lord Neuberger of Abbotsbury, a senior British judge and former President of the UK Supreme Court.
• C. Murphy–Dolan faction
  The Murphy–Dolan faction was a powerful 19th-century business and political alliance in Lincoln County, New Mexico, whose control over local trade and law enforcement helped spark the violent conflict known as the Lincoln County War.
• D. Populist Party leaders
  Populist Party leaders were late-19th-century American political figures who championed agrarian interests, economic reform, and expanded monetary policy to aid farmers and workers.
• E. Russell party
  The Russell party was a group of prospectors led by William Greeneberry Russell whose gold discoveries in the late 1850s helped spur settlement and town founding in what became Colorado.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Leigh Ortenburger party (disputed/various sources)
Target entity description: Leigh Ortenburger party (disputed/various sources) refers to a climbing team historically credited by some accounts with the first ascent of Wyoming’s Mount Moran, though this claim is contested among mountaineering historians.

• A. Tagammu Party
  The Tagammu Party is a leftist Egyptian political party known for its secular, socialist orientation and opposition to Islamist movements.
• B. Neuberger
  Neuberger is a surname most prominently associated with Lord Neuberger of Abbotsbury, a senior British judge and former President of the UK Supreme Court.
• C. Murphy–Dolan faction
  The Murphy–Dolan faction was a powerful 19th-century business and political alliance in Lincoln County, New Mexico, whose control over local trade and law enforcement helped spark the violent conflict known as the Lincoln County War.
• D. Populist Party leaders
  Populist Party leaders were late-19th-century American political figures who championed agrarian interests, economic reform, and expanded monetary policy to aid farmers and workers.
• E. Russell party
  The Russell party was a group of prospectors led by William Greeneberry Russell whose gold discoveries in the late 1850s helped spur settlement and town founding in what became Colorado.
• F. None of above. chosen