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: British Southern strategy | Statement: [Carolina campaign of 1780, strategicContext, British Southern strategy]

Target entity: British Southern strategy
Context triple: [Carolina campaign of 1780, strategicContext, British Southern strategy]

• A. British southern strategy chosen
  The British southern strategy was a late-phase American Revolutionary War plan in which Britain sought to regain control of the rebellious colonies by focusing military efforts on the South, leveraging perceived Loyalist support to roll up resistance from the southern backcountry northward.
• B. British Air Board
  The British Air Board was a World War I-era governmental body in the United Kingdom responsible for coordinating and overseeing military aviation policy and operations before the creation of an independent air ministry.
• C. British sector
  The British sector was the portion of post–World War II Berlin administered by the United Kingdom as part of the Allied occupation and division of the city.
• D. British Caledonian
  British Caledonian was a former independent British airline known for its international routes and distinctive tartan branding before being absorbed into British Airways.
• E. British United Airways
  British United Airways was a major independent British airline that operated from the early 1960s until the 1970s, providing domestic and international scheduled and charter services before being reorganized into later carriers.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.