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: Ravensbourne river system | Statement: [Quaggy, riverSystem, Ravensbourne river system]

Target entity: Ravensbourne river system
Context triple: [Quaggy, riverSystem, Ravensbourne river system]

• A. Ravensbourne river system chosen
  The Ravensbourne river system is a network of rivers and streams in southeast London that drains parts of the London Boroughs of Bromley, Lewisham, and Greenwich before flowing into the River Thames.
• B. Ravensbourne River
  The Ravensbourne River is a tributary of the River Thames in southeast London, flowing through areas such as Bromley and Lewisham before joining the Thames at Deptford Creek.
• C. Ashley-Cooper river system
  The Ashley-Cooper river system is a network of rivers and tidal waterways in the Charleston, South Carolina area that has historically shaped the region’s commerce, settlement, and ecology.
• D. Waddington River basin
  The Waddington River basin is a remote watershed in the Coast Mountains of British Columbia, Canada, draining the rugged glaciated terrain around Mount Waddington and the surrounding Pantheon Range.
• E. Douglas–Ribble river system
  The Douglas–Ribble river system is a connected network of rivers and tributaries in North West England that ultimately drain into the Ribble Estuary and the Irish Sea.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.