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: Ketton stone | Statement: [Ketton, hasBuildingMaterial, Ketton stone]

Target entity: Ketton stone
Context triple: [Ketton, hasBuildingMaterial, Ketton stone]

• A. Kentish ragstone
  Kentish ragstone is a hard, grey limestone from Kent, England, historically quarried for major building works including many medieval fortifications and churches.
• B. Fairfax Stone
  Fairfax Stone is a historic boundary marker in West Virginia that denotes the traditional source of the North Branch of the Potomac River and once defined colonial land grants.
• C. Kirkstone rock
  Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
• D. Bedford limestone
  Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
• E. Markfield Quarry
  Markfield Quarry is a disused Leicestershire quarry noted for its exposed ancient igneous rock formations and geological significance.
• 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: Ketton stone
Triple: [Ketton, hasBuildingMaterial, Ketton stone]

Ketton stone is a high-quality Jurassic oolitic limestone from Ketton in Rutland, England, widely used as a traditional building and decorative stone.

Target entity: Ketton stone
Target entity description: Ketton stone is a high-quality Jurassic oolitic limestone from Ketton in Rutland, England, widely used as a traditional building and decorative stone.

• A. Kentish ragstone
  Kentish ragstone is a hard, grey limestone from Kent, England, historically quarried for major building works including many medieval fortifications and churches.
• B. Fairfax Stone
  Fairfax Stone is a historic boundary marker in West Virginia that denotes the traditional source of the North Branch of the Potomac River and once defined colonial land grants.
• C. Kirkstone rock
  Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
• D. Bedford limestone
  Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
• E. Markfield Quarry
  Markfield Quarry is a disused Leicestershire quarry noted for its exposed ancient igneous rock formations and geological significance.
• F. None of above. chosen