Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: western Tian Shan | Statement: [Chirchiq River, sourceRegion, western Tian Shan]

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.