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: Jackson Purchase | Statement: [Calvert City, Kentucky, locatedInRegion, Jackson Purchase]

Target entity: Jackson Purchase
Context triple: [Calvert City, Kentucky, locatedInRegion, Jackson Purchase]

• A. Jackson Purchase chosen
  The Jackson Purchase is a region in far western Kentucky, bordered by the Mississippi, Ohio, and Tennessee rivers, known for its flat, fertile farmland and historical acquisition from the Chickasaw Nation in the early 19th century.
• B. Gadsden Purchase agreement
  The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
• C. Treaty of Tippecanoe
  The Treaty of Tippecanoe was an early 19th-century agreement in which Native American tribes, including the Bodéwadmi (Potawatomi), ceded lands in the Old Northwest to the United States amid growing U.S. expansion.
• D. Treaty of Greenville
  The Treaty of Greenville was a 1795 agreement between the United States and a coalition of Native American tribes that ended major hostilities in the Northwest Territory and opened much of present-day Ohio to American settlement.
• E. Treaty of the Wabash
  The Treaty of the Wabash was a series of 19th-century agreements in which the Miami and other Native American tribes ceded large portions of their lands in the Old Northwest to the United States government.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.