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: [Zebulon Pike, explored, Louisiana Purchase territory]

Target entity: Louisiana Purchase territory
Context triple: [Zebulon Pike, explored, 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. 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.
• C. 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.
• D. Nebraska Territory
  Nebraska Territory was a mid-19th-century U.S. organized incorporated territory that once encompassed much of the northern Great Plains before being gradually reduced to form the state of Nebraska and parts of several other states.
• E. Arkansas Territory
  Arkansas Territory was an organized incorporated territory of the United States from 1819 to 1836 that preceded the state of Arkansas and encompassed parts of what is now Oklahoma.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.