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: Great Sioux War of 1876 | Statement: [Powder River Country, significantEvent, Great Sioux War of 1876]

Target entity: Great Sioux War of 1876
Context triple: [Powder River Country, significantEvent, Great Sioux War of 1876]

• A. Great Sioux War of 1876 chosen
  The Great Sioux War of 1876 was a major conflict between the United States and the Lakota Sioux and Northern Cheyenne, best known for battles such as the Battle of the Little Bighorn and its role in the U.S. conquest of the northern Plains.
• B. Dakota War of 1862
  The Dakota War of 1862 was a brief but bloody conflict in Minnesota between the Dakota (Sioux) people and the United States, sparked by broken treaties, delayed annuity payments, and widespread hunger among the Dakota.
• C. Nez Perce War
  The Nez Perce War was an 1877 conflict in which the U.S. Army pursued the Nez Perce tribe across the Pacific Northwest as they attempted a strategic retreat toward Canada rather than submit to forced relocation.
• D. Plains Indian Wars
  The Plains Indian Wars were a series of 19th-century armed conflicts between the United States and various Native American tribes over control of the Great Plains and its resources.
• E. Red River War
  The Red River War was an 1874–1875 U.S. Army campaign on the Southern Plains that aimed to forcibly remove remaining Native American tribes to reservations, effectively ending large-scale Indigenous resistance in the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.