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: Orange River Sovereignty | Statement: [Major Henry Douglas Warden, placeOfActivity, Orange River Sovereignty]

Target entity: Orange River Sovereignty
Context triple: [Major Henry Douglas Warden, placeOfActivity, Orange River Sovereignty]

• A. Orange River Sovereignty chosen
  The Orange River Sovereignty was a short-lived 19th-century British-controlled territory in southern Africa that served as a precursor to the independent Boer republic later known as the Orange Free State.
• B. Law of the River
  Law of the River is the collective body of compacts, treaties, court decisions, and regulations that allocate and manage the use of Colorado River water among the United States, Mexico, and the basin states.
• C. Reclamation
  Reclamation is a U.S. federal agency responsible for managing water resources and operating dams, power plants, and irrigation projects primarily in the western United States.
• D. Great Southern Stand
  The Great Southern Stand is a major grandstand at the Melbourne Cricket Ground in Melbourne, Australia, known for its large seating capacity and role in hosting major cricket and Australian rules football events.
• E. Black Warrior River
  The Black Warrior River is a major waterway in west-central Alabama that flows through cities like Tuscaloosa and serves as an important resource for transportation, industry, and recreation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.