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: Ludlow Series | Statement: [Ludfordian Age, partOf, Ludlow Series]

Target entity: Ludlow Series
Context triple: [Ludfordian Age, partOf, Ludlow Series]

• A. Gault Formation
  The Gault Formation is a mid-Cretaceous marine clay formation in southern England, noted for its fossil-rich, fine-grained sediments that record a shallow sea environment.
• B. Harrison Formation
  The Harrison Formation is a geologic rock unit in the central Great Plains of the United States, noted for its Miocene-age sedimentary deposits and rich assemblage of fossil mammals.
• C. Gaskiers Formation
  The Gaskiers Formation is a Neoproterozoic rock unit in Newfoundland, Canada, notable for preserving geological evidence of one of the late Precambrian global glaciations.
• D. Holston Formation
  The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
• E. Shoemaker Formation
  The Shoemaker Formation is a distinct geological rock unit within Mars’s Endeavour Crater, studied by the Opportunity rover for clues about the planet’s ancient environmental conditions.
• 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: Ludlow Series
Triple: [Ludfordian Age, partOf, Ludlow Series]

The Ludlow Series is a stratigraphic division of the Silurian Period characterized by distinctive marine sedimentary rocks and fossils that record late Silurian geological and biological history.

Target entity: Ludlow Series
Target entity description: The Ludlow Series is a stratigraphic division of the Silurian Period characterized by distinctive marine sedimentary rocks and fossils that record late Silurian geological and biological history.

• A. Gault Formation
  The Gault Formation is a mid-Cretaceous marine clay formation in southern England, noted for its fossil-rich, fine-grained sediments that record a shallow sea environment.
• B. Harrison Formation
  The Harrison Formation is a geologic rock unit in the central Great Plains of the United States, noted for its Miocene-age sedimentary deposits and rich assemblage of fossil mammals.
• C. Gaskiers Formation
  The Gaskiers Formation is a Neoproterozoic rock unit in Newfoundland, Canada, notable for preserving geological evidence of one of the late Precambrian global glaciations.
• D. Holston Formation
  The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
• E. Shoemaker Formation
  The Shoemaker Formation is a distinct geological rock unit within Mars’s Endeavour Crater, studied by the Opportunity rover for clues about the planet’s ancient environmental conditions.
• F. None of above. chosen