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: Tokyu Den-en-toshi Line | Statement: [Tokyu 5050 series, usedOnLine, Tokyu Den-en-toshi Line]

Target entity: Tokyu Den-en-toshi Line
Context triple: [Tokyu 5050 series, usedOnLine, Tokyu Den-en-toshi Line]

• A. Tokyu Den-en-toshi Line chosen
  Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
• B. 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.
• C. Toei Mita Line
  The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
• 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 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.