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: Class I symbol stones | Statement: [Pictish art, includes, Class I symbol stones]

Target entity: Class I symbol stones
Context triple: [Pictish art, includes, Class I symbol stones]

• A. Rai stones
  Rai stones are large, carved limestone disks used as a unique form of traditional money on the Micronesian island of Yap, valued more for their history and ownership records than for physical possession.
• B. Crystals
  "Crystals" is an indie folk/pop song by Icelandic band Of Monsters and Men, known for its anthemic sound and prominent use in film and television.
• C. Precious Stones
  "Precious Stones" is a seminal reference work by Arthur Herbert Church that examines the properties, classification, and scientific aspects of gemstones.
• D. Jerusalem stone
  Jerusalem stone is a traditional pale limestone and dolomite building material widely used in Jerusalem’s architecture and religious and memorial structures throughout the region.
• E. bluestones
  Bluestones are the smaller, non-local igneous and sandstone blocks at Stonehenge, transported from Wales and arranged within the monument’s inner settings.
• 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: Class I symbol stones
Triple: [Pictish art, includes, Class I symbol stones]

Class I symbol stones are early, unshaped Pictish standing stones carved with incised symbols and motifs, typically dating from the 6th to 8th centuries in what is now Scotland.

Target entity: Class I symbol stones
Target entity description: Class I symbol stones are early, unshaped Pictish standing stones carved with incised symbols and motifs, typically dating from the 6th to 8th centuries in what is now Scotland.

• A. Rai stones
  Rai stones are large, carved limestone disks used as a unique form of traditional money on the Micronesian island of Yap, valued more for their history and ownership records than for physical possession.
• B. Crystals
  "Crystals" is an indie folk/pop song by Icelandic band Of Monsters and Men, known for its anthemic sound and prominent use in film and television.
• C. Precious Stones
  "Precious Stones" is a seminal reference work by Arthur Herbert Church that examines the properties, classification, and scientific aspects of gemstones.
• D. Jerusalem stone
  Jerusalem stone is a traditional pale limestone and dolomite building material widely used in Jerusalem’s architecture and religious and memorial structures throughout the region.
• E. bluestones
  Bluestones are the smaller, non-local igneous and sandstone blocks at Stonehenge, transported from Wales and arranged within the monument’s inner settings.
• F. None of above. chosen