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: Louisiana Purchase | Statement: [Treaty of Mortefontaine, precedes, Louisiana Purchase]

Target entity: Louisiana Purchase
Context triple: [Treaty of Mortefontaine, precedes, Louisiana Purchase]

• A. Louisiana Purchase chosen
  The Louisiana Purchase was an 1803 land deal in which the United States bought a vast territory from France, doubling the nation's size and securing control of the Mississippi River region.
• B. 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.
• C. 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.
• D. Jackson Purchase
  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.
• E. Division of the Northwest Territory
  The Division of the Northwest Territory was an early 19th-century reorganization of U.S. frontier lands that carved new territorial units, including what became the Michigan Territory, out of the original Northwest Territory.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.