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: Glen Canyon Group | Statement: [Navajo Sandstone, stratigraphicUnitOf, Glen Canyon Group]

Target entity: Glen Canyon Group
Context triple: [Navajo Sandstone, stratigraphicUnitOf, Glen Canyon Group]

• A. Kayenta Formation
  The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
• B. Chinle Formation
  The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
• C. Moenkopi Formation
  The Moenkopi Formation is a widespread Triassic-age sedimentary rock unit of the southwestern United States, known for its reddish-brown mudstones and sandstones that record ancient river, tidal, and shallow marine environments.
• D. Sundance Formation
  The Sundance Formation is a Middle to Late Jurassic marine sedimentary rock unit in the western United States, known for its shallow sea deposits that underlie the dinosaur-rich Morrison Formation.
• E. Great Valley Group
  The Great Valley Group is a thick sequence of sedimentary rock formations in California’s Great Valley, notable for preserving extensive marine and terrestrial deposits from the Mesozoic era.
• 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: Glen Canyon Group
Triple: [Navajo Sandstone, stratigraphicUnitOf, Glen Canyon Group]

The Glen Canyon Group is a sequence of Early Jurassic sedimentary rock formations in the southwestern United States, notable for its extensive desert-origin sandstones and important dinosaur fossil record.

Target entity: Glen Canyon Group
Target entity description: The Glen Canyon Group is a sequence of Early Jurassic sedimentary rock formations in the southwestern United States, notable for its extensive desert-origin sandstones and important dinosaur fossil record.

• A. Kayenta Formation chosen
  The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
• B. Chinle Formation
  The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
• C. Moenkopi Formation
  The Moenkopi Formation is a widespread Triassic-age sedimentary rock unit of the southwestern United States, known for its reddish-brown mudstones and sandstones that record ancient river, tidal, and shallow marine environments.
• D. Sundance Formation
  The Sundance Formation is a Middle to Late Jurassic marine sedimentary rock unit in the western United States, known for its shallow sea deposits that underlie the dinosaur-rich Morrison Formation.
• E. Great Valley Group
  The Great Valley Group is a thick sequence of sedimentary rock formations in California’s Great Valley, notable for preserving extensive marine and terrestrial deposits from the Mesozoic era.
• F. None of above.