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: Indus River headwaters | Statement: [Ngari Prefecture, contains, Indus River headwaters]

Target entity: Indus River headwaters
Context triple: [Ngari Prefecture, contains, Indus River headwaters]

• A. Indus River chosen
  The Indus River is one of Asia’s longest and most historically significant rivers, flowing from the Tibetan Plateau through India and Pakistan to the Arabian Sea and serving as a vital lifeline for agriculture, civilization, and industry in the region.
• B. Sutlej River
  The Sutlej River is a major transboundary river of the northwestern Indian subcontinent, originating in Tibet and flowing through the Himalayas into the plains of India and Pakistan, where it forms an important part of the Indus River system.
• C. Chenab River
  The Chenab River is a major river of the Indian subcontinent that flows through the Jammu region and into Pakistan, playing a key role in the Indus River system and regional agriculture.
• D. Kali Sindh River
  The Kali Sindh River is a significant river in central India that flows through the Malwa region of Madhya Pradesh and Rajasthan before joining the Chambal River.
• E. Indus River basin
  The Indus River basin is a vast drainage area in South Asia centered on the Indus River, supporting major agricultural regions and dense populations across parts of Pakistan, India, China, and Afghanistan.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.