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: London Underground network | Statement: [Heathrow rail and Underground stations, partOf, London Underground network]

Target entity: London Underground network
Context triple: [Heathrow rail and Underground stations, partOf, London Underground network]

• A. London Underground chosen
  The London Underground is a rapid transit system serving Greater London and surrounding areas, famous as one of the world's oldest and most extensive metro networks.
• B. London Overground
  London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
• C. London Thameslink network
  The London Thameslink network is a cross-London rail system that connects a wide range of suburban and regional routes through central London via a core north–south corridor.
• D. District Railway
  The District Railway was a historic London underground railway company that developed much of what is now the District line, helping to form the core of the city's early subterranean transport network.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.