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: Washington metropolitan region | Statement: [Capital Beltway, serves, Washington metropolitan region]

Target entity: Washington metropolitan region
Context triple: [Capital Beltway, serves, Washington metropolitan region]

• A. Washington metropolitan area chosen
  The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
• B. Baltimore–Washington metropolitan area
  The Baltimore–Washington metropolitan area is a major combined urban region in the Mid-Atlantic United States centered on the cities of Baltimore, Maryland, and Washington, D.C., known for its dense population, federal government presence, and diverse economy.
• C. Metropolregion MD
  Metropolregion MD is a central German metropolitan region encompassing major cities and economic centers in the states of Saxony, Saxony-Anhalt, and Thuringia, focused on regional development and cooperation.
• D. National Capital Region
  The National Capital Region is the federally designated area encompassing Canada’s capital, Ottawa, and its surrounding communities, serving as the administrative and symbolic heart of the country.
• E. National Capital Region
  The National Capital Region is a large metropolitan area centered on Delhi that encompasses the capital and surrounding districts from neighboring states to promote coordinated regional development.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.