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: Upper Derwent Valley reservoir system | Statement: [Howden Dam, partOf, Upper Derwent Valley reservoir system]

Target entity: Upper Derwent Valley reservoir system
Context triple: [Howden Dam, partOf, Upper Derwent Valley reservoir system]

• A. Manych Reservoir cascade
  The Manych Reservoir cascade is a system of interconnected artificial reservoirs along the Manych River in southern Russia, built for irrigation, water regulation, and regional water transfer.
• B. Elan Valley reservoirs
  The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
• C. Gryffe Reservoirs
  Gryffe Reservoirs are a pair of man-made water storage lakes in Renfrewshire, Scotland, that serve as an important local water supply and recreational area near the village of Bridge of Weir.
• D. Longdendale Chain reservoirs
  The Longdendale Chain reservoirs are a series of interconnected man-made lakes in the Longdendale Valley in northern England, built in the 19th century to supply water to the growing industrial cities of the region.
• E. Derwent Reservoir chosen
  Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.