Triple

Target entity: western Tian Shan
Context triple: [Chirchiq River, sourceRegion, western Tian Shan]

• A. Pamir–Tien Shan mountain system
  The Pamir–Tien Shan mountain system is a vast high-altitude mountain complex in Central Asia, encompassing the Pamir and Tien Shan ranges and forming one of the world’s major orogenic regions.
• B. Tien Shan chosen
  Tien Shan is a vast Central Asian mountain system spanning several countries, known for its high, glaciated peaks and role as a major source of regional rivers.
• C. Altyn-Tagh Mountains
  The Altyn-Tagh Mountains are a major mountain range in northwestern China that form part of the northern edge of the Tibetan Plateau and act as a natural barrier between the plateau and the surrounding desert basins.
• D. Hindu Kush–Pamir region
  The Hindu Kush–Pamir region is a high-altitude, rugged mountain area in Central and South Asia known for its extreme terrain, strategic location, and diverse indigenous communities such as the Pamiris.
• E. Kunlun–Pamir border region
  The Kunlun–Pamir border region is a high-altitude mountainous area in western China where the Kunlun and Pamir ranges converge, forming a rugged frontier zone that includes peaks such as Kongur Tagh.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.