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: Heathrow branch of the Piccadilly line | Statement: [Boston Manor Underground station, isOnBranch, Heathrow branch of the Piccadilly line]

Target entity: Heathrow branch of the Piccadilly line
Context triple: [Boston Manor Underground station, isOnBranch, Heathrow branch of the Piccadilly line]

• A. Heathrow branch of the Piccadilly line chosen
  The Heathrow branch of the Piccadilly line is the western arm of London Underground’s Piccadilly line that provides direct tube services between central London and Heathrow Airport.
• B. London Underground Metropolitan line
  The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
• C. Jubilee line
  The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
• D. West London line
  The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
• E. North London line
  The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.