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: Muav Limestone | Statement: [Redwall Limestone, overlies, Muav Limestone]

Target entity: Muav Limestone
Context triple: [Redwall Limestone, overlies, Muav Limestone]

• A. Kaibab Limestone
  Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
• B. Mitchell Limestone
  Mitchell Limestone is a geologic limestone formation known from the Midwestern United States, recognized for its stratigraphic position and fossil-bearing carbonate rocks.
• C. Harrodsburg Limestone
  Harrodsburg Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its fossil-rich marine deposits and use as a building stone.
• D. Carmel Formation
  The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
• E. Moenave Formation
  The Moenave Formation is an Early Jurassic geologic formation in the southwestern United States, notable for its fluvial and lacustrine sandstones and mudstones that preserve abundant dinosaur tracks and other vertebrate fossils.
• 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: Muav Limestone
Triple: [Redwall Limestone, overlies, Muav Limestone]

Muav Limestone is a Cambrian-age marine sedimentary rock formation prominently exposed in the Grand Canyon, forming part of its lower cliff-and-slope sequence.

Target entity: Muav Limestone
Target entity description: Muav Limestone is a Cambrian-age marine sedimentary rock formation prominently exposed in the Grand Canyon, forming part of its lower cliff-and-slope sequence.

• A. Kaibab Limestone
  Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
• B. Mitchell Limestone
  Mitchell Limestone is a geologic limestone formation known from the Midwestern United States, recognized for its stratigraphic position and fossil-bearing carbonate rocks.
• C. Harrodsburg Limestone
  Harrodsburg Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its fossil-rich marine deposits and use as a building stone.
• D. Carmel Formation
  The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
• E. Moenave Formation
  The Moenave Formation is an Early Jurassic geologic formation in the southwestern United States, notable for its fluvial and lacustrine sandstones and mudstones that preserve abundant dinosaur tracks and other vertebrate fossils.
• F. None of above. chosen