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: Tokyo Metro Chiyoda Line (for some services) | Statement: [Limited Express Romancecar, railwayLineUsed, Tokyo Metro Chiyoda Line (for some services)]

Target entity: Tokyo Metro Chiyoda Line (for some services)
Context triple: [Limited Express Romancecar, railwayLineUsed, Tokyo Metro Chiyoda Line (for some services)]

• A. Tokyo Metro Chiyoda Line chosen
  The Tokyo Metro Chiyoda Line is a major Tokyo subway line running north–south through central districts and into suburban areas, connecting key hubs such as Omotesando, Otemachi, and Yoyogi-Uehara.
• B. Seibu Yurakucho Line
  The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
• C. Tokyu Setagaya Line
  The Tokyu Setagaya Line is a light rail/tram line in Tokyo, Japan, operated by Tokyu Corporation and known for connecting Sangen-Jaya with the Setagaya area along a short, mostly street-level route.
• D. Tokyo Metro Marunouchi Line
  The Tokyo Metro Marunouchi Line is one of Tokyo’s main subway lines, running in a loop-like route through central districts and connecting major hubs such as Shinjuku, Tokyo, and Ikebukuro.
• E. Seibu Ikebukuro Line
  The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.