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 1858 | Statement: [Yankton, treatyInvolvement, Treaty of 1858]

Target entity: Treaty of 1858
Context triple: [Yankton, treatyInvolvement, Treaty of 1858]

• A. Treaty of 1858 chosen
  The Treaty of 1858 was an agreement in which the Yankton Sioux ceded large portions of their traditional lands to the United States in exchange for a reservation and various promised payments and provisions.
• B. Elgin–Marcy Treaty
  The Elgin–Marcy Treaty was an 1854 reciprocity agreement between the United Kingdom (for British North America) and the United States that reduced tariffs and promoted free trade in natural resources across the U.S.–Canadian border.
• C. 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.
• D. Treaty of 1831
  The Treaty of 1831 was an agreement in which the Menominee people ceded large portions of their ancestral lands in present-day Wisconsin to the United States, significantly reshaping their territorial rights and future.
• E. Treaty of Wapakoneta
  The Treaty of Wapakoneta was an 1831 agreement in which the Shawnee ceded their remaining lands in Ohio to the United States and were forced to relocate west of the Mississippi River.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.