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: Sand River Treaty | Statement: [Sand River Convention, alternativeName, Sand River Treaty]

Target entity: Sand River Treaty
Context triple: [Sand River Convention, alternativeName, Sand River Treaty]

• A. Treaty 7
  Treaty 7 is an 1877 agreement between several First Nations of what is now southern Alberta and the Canadian government that ceded Indigenous lands in exchange for reserves, annuities, and other promises.
• B. Sand River Convention chosen
  The Sand River Convention was an 1852 agreement by which Britain recognized the independence of the Boer settlers in the Transvaal region of southern Africa.
• C. Treaty of Fort McIntosh
  The Treaty of Fort McIntosh was a 1785 agreement between the United States and several Native American nations that ceded large tracts of land in the Ohio Country to U.S. control, helping set the stage for further conflict in the Northwest Indian War.
• D. Treaty of Buffalo Creek
  The Treaty of Buffalo Creek was an 1838 agreement between the United States and several Iroquois nations that sought to remove them from their remaining lands in New York to reservations in the West, leading to major land losses and long-term legal disputes.
• E. Treaty of 1855
  The Treaty of 1855 was an agreement between the United States and the Nez Perce that established a reservation and recognized certain tribal rights while ceding large areas of the tribe’s traditional lands.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.