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 lock system | Statement: [Marlow Lock, partOf, River Thames lock system]

Target entity: River Thames lock system
Context triple: [Marlow Lock, partOf, River Thames lock 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. Thames and Severn Canal
  The Thames and Severn Canal is a historic English waterway that once linked the River Thames to the River Severn across the Cotswolds, playing a key role in regional trade during the 18th and 19th centuries.
• C. Manchester canal network
  The Manchester canal network is an interconnected system of historic waterways that supported the city’s industrial growth by linking its mills, warehouses, and docks to regional and national transport routes.
• D. 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.
• E. Severn Canal
  The Severn Canal is a historic Canadian waterway segment that forms part of the Trent–Severn Waterway, linking inland lakes and rivers for navigation across central Ontario.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.