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: Arizona Territory (historical) | Statement: [Gila River region, partOf, Arizona Territory (historical)]

Target entity: Arizona Territory (historical)
Context triple: [Gila River region, partOf, Arizona Territory (historical)]

• A. Arizona Territory chosen
  The Arizona Territory was a historical U.S. territorial jurisdiction in the American Southwest that existed from the mid-19th century until it achieved statehood as Arizona in 1912.
• B. New Mexico Territory
  New Mexico Territory was a large U.S. territorial jurisdiction in the American Southwest, organized in 1850 and encompassing present-day New Mexico and Arizona as well as parts of surrounding states before later being subdivided into smaller territories and states.
• C. Nevada Territory
  Nevada Territory was a 19th-century organized incorporated territory of the United States that preceded the state of Nevada, known for its mining boom and role in the American West.
• D. Territory of Colorado
  The Territory of Colorado was a 19th-century organized incorporated territory of the United States that preceded the state of Colorado, encompassing much of the central Rocky Mountain region.
• E. Utah Territory
  Utah Territory was a 19th-century organized incorporated territory of the United States in the American West that encompassed much of the present-day state of Utah and parts of surrounding states before statehood in 1896.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.