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: Holborn River | Statement: [River Fleet, hasTributary, Holborn River]

Target entity: Holborn River
Context triple: [River Fleet, hasTributary, Holborn River]

• A. Dollis Brook
  Dollis Brook is a small stream in North London that forms one of the main headwaters of the River Brent, flowing through suburban green spaces and parks.
• B. River Lea
  The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
• C. Jubilee River
  The Jubilee River is a man-made flood relief channel in Berkshire, England, designed to reduce flooding risk along the River Thames, particularly around Maidenhead, Windsor, and Eton.
• D. Dagenham Brook
  Dagenham Brook is a minor watercourse in East London that serves as a tributary of the River Lea, flowing through parts of the London Borough of Waltham Forest.
• E. River Wandle
  The River Wandle is a chalk stream in South London, England, that flows through boroughs such as Croydon, Sutton, Merton, and Wandsworth before joining the River Thames.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Holborn River
Target entity description: The Holborn River is a historic subterranean watercourse in central London that once flowed openly through the Holborn area before being culverted and integrated into the city’s drainage system.

• A. Dollis Brook
  Dollis Brook is a small stream in North London that forms one of the main headwaters of the River Brent, flowing through suburban green spaces and parks.
• B. River Lea
  The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
• C. Jubilee River
  The Jubilee River is a man-made flood relief channel in Berkshire, England, designed to reduce flooding risk along the River Thames, particularly around Maidenhead, Windsor, and Eton.
• D. Dagenham Brook
  Dagenham Brook is a minor watercourse in East London that serves as a tributary of the River Lea, flowing through parts of the London Borough of Waltham Forest.
• E. River Wandle
  The River Wandle is a chalk stream in South London, England, that flows through boroughs such as Croydon, Sutton, Merton, and Wandsworth before joining the River Thames.
• F. None of above. chosen