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: National Spatial Reference System | Statement: [NAVD 88, partOf, National Spatial Reference System]

Target entity: National Spatial Reference System
Context triple: [NAVD 88, partOf, National Spatial Reference System]

• A. National Spatial Reference System chosen
  The National Spatial Reference System is the official coordinate framework used in the United States to define precise locations, elevations, and boundaries for mapping, surveying, and navigation.
• B. North American Datum of 1983
  North American Datum of 1983 is a geodetic reference system used across North America to define precise locations on the Earth's surface for mapping, surveying, and navigation.
• C. ISO 19111 for coordinate reference systems
  ISO 19111 for coordinate reference systems is an international standard that defines the conceptual schema and rules for describing, managing, and transforming spatial and temporal coordinate reference systems.
• D. North American Datum of 1927
  The North American Datum of 1927 is a geodetic reference system that long served as the standard coordinate framework for mapping and surveying in North America before being superseded by more modern datums.
• E. North American Vertical Datum of 1988
  The North American Vertical Datum of 1988 (NAVD 88) is the primary geodetic reference system used across North America to define consistent elevations above mean sea level for mapping, surveying, and engineering.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.