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: Nanjemoy Formation | Statement: [Calvert Formation, overlies, Nanjemoy Formation]

Target entity: Nanjemoy Formation
Context triple: [Calvert Formation, overlies, Nanjemoy Formation]

• A. Curtis Formation
  The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
• B. Areyonga Formation
  The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
• C. Scollard Formation
  The Scollard Formation is a Late Cretaceous to early Paleocene geological formation in Alberta, Canada, known for preserving diverse dinosaur fossils and evidence of the Cretaceous–Paleogene boundary.
• D. Claron Formation
  The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
• E. Yeso Formation
  The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
• 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: Nanjemoy Formation
Triple: [Calvert Formation, overlies, Nanjemoy Formation]

The Nanjemoy Formation is an early Eocene geologic formation in the mid-Atlantic United States known for its marine sediments and diverse fossil assemblages.

Target entity: Nanjemoy Formation
Target entity description: The Nanjemoy Formation is an early Eocene geologic formation in the mid-Atlantic United States known for its marine sediments and diverse fossil assemblages.

• A. Curtis Formation
  The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
• B. Areyonga Formation
  The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
• C. Scollard Formation
  The Scollard Formation is a Late Cretaceous to early Paleocene geological formation in Alberta, Canada, known for preserving diverse dinosaur fossils and evidence of the Cretaceous–Paleogene boundary.
• D. Claron Formation
  The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
• E. Yeso Formation
  The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
• F. None of above. chosen