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 territory | Statement: [Milk River, historicalRegion, Louisiana Purchase territory]

Target entity: Louisiana Purchase territory
Context triple: [Milk River, historicalRegion, Louisiana Purchase territory]

• A. Louisiana Territory
  The Louisiana Territory was a vast region of North America, stretching from the Mississippi River to the Rocky Mountains, that was controlled by France and later sold to the United States in the 1803 Louisiana Purchase.
• B. Southwest Territory
  Southwest Territory is a themed section of the Six Flags Great America amusement park designed with an Old West motif and featuring various rides, attractions, and entertainment.
• C. Southwest Territory
  The Southwest Territory was a United States territorial government (1790–1796) that administered the region south of the Ohio River which later became the state of Tennessee.
• D. 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.
• E. Indian Territory
  Indian Territory was a region in the United States, primarily in present-day Oklahoma, that served as a government-designated area for the forced relocation and settlement of numerous Native American tribes during the 19th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.