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 Cession of 1867 | Statement: [Alaska territorial era, hasCause, Treaty of Cession of 1867]

Target entity: Treaty of Cession of 1867
Context triple: [Alaska territorial era, hasCause, Treaty of Cession of 1867]

• A. Treaty of Cession (1867) chosen
  The Treaty of Cession (1867) was the agreement by which the Russian Empire sold Alaska to the United States, a purchase initially derided as “Seward’s Folly” but later recognized as strategically and economically significant.
• B. 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).
• C. Alaska Purchase
  The Alaska Purchase was the 1867 transaction in which the United States bought the Alaska territory from the Russian Empire, significantly expanding U.S. land holdings in North America.
• D. Treaty of 1854
  The Treaty of 1854 was a U.S. government agreement that ceded most of the Omaha people's ancestral lands in present-day Nebraska in exchange for a reservation and other promised provisions.
• E. Treaty of 1868
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.