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: Angat–Ipo–La Mesa water system | Statement: [La Mesa Reservoir, partOf, Angat–Ipo–La Mesa water system]

Target entity: Angat–Ipo–La Mesa water system
Context triple: [La Mesa Reservoir, partOf, Angat–Ipo–La Mesa water system]

• A. Angat–Ipo–La Mesa water system chosen
  The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
• B. San Juan water supply system
  The San Juan water supply system is the integrated network of reservoirs, treatment facilities, and distribution infrastructure that provides potable water to the San Juan metropolitan area in Puerto Rico.
• C. Metro Manila drainage system
  The Metro Manila drainage system is the network of rivers, canals, esteros, and engineered waterways that channels stormwater and wastewater across the National Capital Region to reduce flooding and manage urban runoff.
• D. Ambuklao Dam
  Ambuklao Dam is a major hydroelectric and flood-control dam in Benguet, Philippines, known as one of the country’s earliest large-scale hydropower projects.
• E. Metropolitan Waterworks and Sewerage System
  The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.