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: Treaty of 1868 | Statement: [Diné, treaty, Treaty of 1868]

Target entity: Treaty of 1868
Context triple: [Diné, treaty, Treaty of 1868]

• A. Treaty of 1868 chosen
  The Treaty of 1868 was the agreement between the United States and the Navajo that ended the Navajo’s forced exile at Bosque Redondo and established their reservation in their traditional homeland.
• B. Treaty of 1863
  The Treaty of 1863 was a controversial agreement that drastically reduced the Nez Perce homeland in the Pacific Northwest, paving the way for increased U.S. settlement and later conflict.
• C. Treaty of 1873
  The Treaty of 1873 was an agreement in which the Pawnee Nation ceded most of its remaining lands in Nebraska to the United States and relocated to Indian Territory (present-day Oklahoma).
• D. Sugowlee Treaty
  The Sugowlee Treaty is a historic 1815–1816 agreement between the British East India Company and the Kingdom of Nepal that ended the Anglo-Nepalese War and redefined Nepal’s territorial boundaries.
• E. Harris Treaty of 1858
  The Harris Treaty of 1858 was a landmark U.S.–Japan agreement that opened Japanese ports to American trade, granted extraterritorial rights to U.S. citizens, and marked a key step in ending Japan’s isolationist policies.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.