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: Northern Cheyenne | Statement: [Lakota–Northern Cheyenne alliance, hasMember, Northern Cheyenne]

Target entity: Northern Cheyenne
Context triple: [Lakota–Northern Cheyenne alliance, hasMember, Northern Cheyenne]

• A. Northern Cheyenne chosen
  The Northern Cheyenne are a Native American tribe of the Great Plains known for their warrior culture, resistance to U.S. expansion, and enduring cultural traditions centered in present-day Montana.
• B. Arapaho
  The Arapaho are a Native American people of the Great Plains historically known for their nomadic buffalo-hunting culture and alliances with neighboring tribes such as the Cheyenne.
• C. Southern Cheyenne
  The Southern Cheyenne are a major division of the Cheyenne people, historically based in the Southern Plains and now primarily associated with communities in Oklahoma.
• D. Northern Cheyenne Indian Reservation
  The Northern Cheyenne Indian Reservation is the homeland of the Northern Cheyenne Tribe in southeastern Montana, serving as a center of their cultural, political, and community life.
• E. Northern Cheyenne Tribal Council
  The Northern Cheyenne Tribal Council is the elected governing body of the Northern Cheyenne Nation, responsible for making laws, managing resources, and representing tribal interests.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.