1970 British Annapurna South Face Expedition

Target entity: 1970 British Annapurna South Face Expedition
Context triple: [South Face of Annapurna, firstAscentExpedition, 1970 British Annapurna South Face Expedition]

• A. 1970 Nanga Parbat expedition
  The 1970 Nanga Parbat expedition was a landmark Himalayan climbing attempt on the Rupal Face of Nanga Parbat that became infamous for its extreme difficulty, tragedy, and its pivotal role in launching Reinhold Messner’s legendary mountaineering career.
• B. 1955 British Kangchenjunga expedition
  The 1955 British Kangchenjunga expedition was the mountaineering team that achieved the first successful ascent of Kangchenjunga, the world’s third-highest mountain.
• C. 1953 British Mount Everest expedition
  The 1953 British Mount Everest expedition was the historic climbing campaign that achieved the first confirmed ascent of Mount Everest, led by John Hunt and culminating in Edmund Hillary and Tenzing Norgay reaching the summit.
• D. 1953 Nanga Parbat expedition
  The 1953 Nanga Parbat expedition was the successful Austrian-German mountaineering campaign during which Hermann Buhl made the first ascent of Nanga Parbat in the Himalayas.
• E. 1950 French Annapurna expedition
  The 1950 French Annapurna expedition was the historic mountaineering campaign that achieved the first successful ascent of an 8,000-meter peak, Annapurna I, marking a major milestone in high-altitude climbing.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: 1970 British Annapurna South Face Expedition
Target entity description: The 1970 British Annapurna South Face Expedition was a landmark Himalayan climbing venture led by Chris Bonington that achieved the first ascent of Annapurna’s formidable south face, pioneering modern big-wall alpine-style expeditions.

• A. 1970 Nanga Parbat expedition
  The 1970 Nanga Parbat expedition was a landmark Himalayan climbing attempt on the Rupal Face of Nanga Parbat that became infamous for its extreme difficulty, tragedy, and its pivotal role in launching Reinhold Messner’s legendary mountaineering career.
• B. 1955 British Kangchenjunga expedition
  The 1955 British Kangchenjunga expedition was the mountaineering team that achieved the first successful ascent of Kangchenjunga, the world’s third-highest mountain.
• C. 1953 British Mount Everest expedition
  The 1953 British Mount Everest expedition was the historic climbing campaign that achieved the first confirmed ascent of Mount Everest, led by John Hunt and culminating in Edmund Hillary and Tenzing Norgay reaching the summit.
• D. 1953 Nanga Parbat expedition
  The 1953 Nanga Parbat expedition was the successful Austrian-German mountaineering campaign during which Hermann Buhl made the first ascent of Nanga Parbat in the Himalayas.
• E. 1950 French Annapurna expedition
  The 1950 French Annapurna expedition was the historic mountaineering campaign that achieved the first successful ascent of an 8,000-meter peak, Annapurna I, marking a major milestone in high-altitude climbing.
• F. None of above. chosen