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: Class A airspace | Statement: [United Kingdom airspace, contains, Class A airspace]

Target entity: Class A airspace
Context triple: [United Kingdom airspace, contains, Class A airspace]

• A. Class A airspace chosen
  Class A airspace is the highest controlled airspace layer in the United States, typically used for high-altitude en route flight under instrument flight rules (IFR) by commercial and other high-performance aircraft.
• B. Class E airspace
  Class E airspace is a category of controlled airspace that typically begins at various altitudes above the surface and extends up to but not including Class A airspace, where IFR and many VFR operations are managed under air traffic control.
• C. Class D airspace
  Class D airspace is a category of controlled airspace surrounding smaller airports with an operational control tower, where pilots must establish two-way radio communication with air traffic control before entering.
• D. Class B airspace
  Class B airspace is a highly controlled airspace surrounding the nation’s busiest airports, designed to manage dense traffic with strict entry and communication requirements for pilots.
• E. Class G airspace
  Class G airspace is uncontrolled airspace where air traffic control does not provide separation services, and pilots operate primarily under visual flight rules with minimal regulatory requirements.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.