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: Mackenzie Valley region | Statement: [Denendeh, overlapsWith, Mackenzie Valley region]

Target entity: Mackenzie Valley region
Context triple: [Denendeh, overlapsWith, Mackenzie Valley region]

• A. Mackenzie Basin
  Mackenzie Basin is a vast, sparsely populated intermontane basin in New Zealand’s South Island, renowned for its turquoise lakes, high-country landscapes, and internationally recognized dark-sky reserves.
• B. Great Slave Lake region
  The Great Slave Lake region is a remote subarctic area of Canada’s Northwest Territories known for its vast boreal wilderness, Indigenous communities, and the deep, cold waters of Great Slave Lake.
• C. Mackenzie Valley chosen
  Mackenzie Valley is a vast, sparsely populated region in northwestern Canada shaped by the course of the Mackenzie River and known for its subarctic landscapes and Indigenous communities.
• D. Milk River region
  The Milk River region is a historical homeland area in the northern Great Plains of North America, associated with Indigenous peoples such as the Gros Ventre.
• E. Hudson Bay region
  The Hudson Bay region is a vast, sparsely populated area in northeastern Canada centered around Hudson Bay, known for its subarctic climate, Indigenous communities, and historical role in early European exploration and the fur trade.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.