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: Trans-Mississippi Theater | Statement: [Battle of Lexington (American Civil War), partOf, Trans-Mississippi Theater]

Target entity: Trans-Mississippi Theater
Context triple: [Battle of Lexington (American Civil War), partOf, Trans-Mississippi Theater]

• A. Trans-Mississippi Theater of the American Civil War chosen
  The Trans-Mississippi Theater of the American Civil War was the vast western region of conflict west of the Mississippi River, encompassing campaigns in states and territories such as Missouri, Arkansas, Texas, Indian Territory, and parts of the Southwest.
• B. Southern theater of operations
  The Southern theater of operations was the region of the American Revolutionary War encompassing major campaigns and battles in the southern colonies, particularly in the Carolinas, Georgia, and Virginia.
• C. Western Theater of Military Operations
  The Western Theater of Military Operations was a major Soviet strategic command responsible for coordinating large-scale military activities and planning in the western regions of the USSR, particularly in relation to European fronts.
• D. Eastern Theater
  The Eastern Theater was the primary region of major Civil War operations in Virginia, Maryland, and Pennsylvania, where many of the conflict’s most significant and famous battles took place.
• E. Southern Division
  Southern Division is a regional subdivision of the United States District Court for the District of New Mexico that handles federal cases arising from the southern part of the state.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.