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: River Thames navigation system | Statement: [Radcot Lock, partOf, River Thames navigation system]

Target entity: River Thames navigation system
Context triple: [Radcot Lock, partOf, River Thames navigation system]

• A. River Thames system chosen
  The River Thames system is the interconnected network of the River Thames and its tributaries, drainage basin, and associated hydrological features that collectively manage water flow across much of southern England.
• B. River Avon navigation system
  The River Avon navigation system is a managed waterway in England that enables boat traffic along the River Avon through a series of locks, weirs, and related infrastructure.
• C. Tideway of the River Thames
  The Tideway of the River Thames is the tidal section of the River Thames in and around London, stretching from Teddington Lock through central London to the North Sea.
• D. Great Ouse Navigation
  The Great Ouse Navigation is a managed inland waterway in eastern England that forms part of the River Great Ouse system, used for boating, recreation, and local transport.
• E. River Weaver Navigation
  River Weaver Navigation is a canalised section of the River Weaver in Cheshire, England, developed to facilitate commercial boat traffic through locks and other navigation works.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.