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: European standards for natural stone | Statement: [British Standard for building stone (applicable classifications), relatedTo, European standards for natural stone]

Target entity: European standards for natural stone
Context triple: [British Standard for building stone (applicable classifications), relatedTo, European standards for natural stone]

• A. British Standard for building stone (applicable classifications)
  The British Standard for building stone (applicable classifications) is a UK specification that defines quality, performance, and classification criteria for natural building stones used in construction, including materials such as Portland stone.
• B. Istrian stone
  Istrian stone is a dense, light-colored limestone from the Istrian Peninsula, historically prized in Venetian and Adriatic architecture for its durability and resistance to weathering.
• C. Weinsberg granite
  Weinsberg granite is a coarse-grained, predominantly two-mica granite body characteristic of the Moldanubian Zone in the Bohemian Massif, notable for its role in regional Variscan plutonism.
• D. Silesian marble
  Silesian marble is a decorative stone from the Silesia region, historically prized in Central Europe for its use in prestigious architectural and sculptural works.
• E. ASTM C786
  ASTM C786 is a standardized test method developed by ASTM for evaluating specific performance characteristics of cement materials.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: European standards for natural stone
Triple: [British Standard for building stone (applicable classifications), relatedTo, European standards for natural stone]

European standards for natural stone are harmonized technical specifications developed by CEN that define quality, testing methods, and performance requirements for natural stone products used in construction and related applications across Europe.

Target entity: European standards for natural stone
Target entity description: European standards for natural stone are harmonized technical specifications developed by CEN that define quality, testing methods, and performance requirements for natural stone products used in construction and related applications across Europe.

• A. British Standard for building stone (applicable classifications)
  The British Standard for building stone (applicable classifications) is a UK specification that defines quality, performance, and classification criteria for natural building stones used in construction, including materials such as Portland stone.
• B. Istrian stone
  Istrian stone is a dense, light-colored limestone from the Istrian Peninsula, historically prized in Venetian and Adriatic architecture for its durability and resistance to weathering.
• C. Weinsberg granite
  Weinsberg granite is a coarse-grained, predominantly two-mica granite body characteristic of the Moldanubian Zone in the Bohemian Massif, notable for its role in regional Variscan plutonism.
• D. Silesian marble
  Silesian marble is a decorative stone from the Silesia region, historically prized in Central Europe for its use in prestigious architectural and sculptural works.
• E. ASTM C786
  ASTM C786 is a standardized test method developed by ASTM for evaluating specific performance characteristics of cement materials.
• F. None of above. chosen