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 River | Statement: [North America, hasMajorRiver, Mackenzie River]

Target entity: Mackenzie River
Context triple: [North America, hasMajorRiver, Mackenzie River]

• A. Yukon River
  The Yukon River is a major waterway in northwestern North America that flows through Canada’s Yukon Territory and Alaska to the Bering Sea, historically significant for transportation, Indigenous cultures, and the Klondike Gold Rush.
• B. Saint John
  Saint John is a small, largely undeveloped Caribbean island known for its pristine beaches and extensive national parkland within the U.S. Virgin Islands.
• C. Columbia River
  The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
• D. Saint Lawrence River
  The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
• E. Missouri River
  The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Mackenzie River
Triple: [North America, hasMajorRiver, Mackenzie River]

The Mackenzie River is the longest river system in Canada, flowing through the Northwest Territories to the Arctic Ocean and draining a vast portion of northwestern North America.

Target entity: Mackenzie River
Target entity description: The Mackenzie River is the longest river system in Canada, flowing through the Northwest Territories to the Arctic Ocean and draining a vast portion of northwestern North America.

• A. Yukon River
  The Yukon River is a major waterway in northwestern North America that flows through Canada’s Yukon Territory and Alaska to the Bering Sea, historically significant for transportation, Indigenous cultures, and the Klondike Gold Rush.
• B. Saint John
  Saint John is a small, largely undeveloped Caribbean island known for its pristine beaches and extensive national parkland within the U.S. Virgin Islands.
• C. Columbia River
  The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
• D. Saint Lawrence River
  The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
• E. Missouri River
  The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
• F. None of above. chosen