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: Entrada Sandstone | Statement: [Arches National Park, rockType, Entrada Sandstone]

Target entity: Entrada Sandstone
Context triple: [Arches National Park, rockType, Entrada Sandstone]

• A. Navajo Sandstone
  Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
• B. 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.
• C. Tura limestone
  Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
• D. Aztec Sandstone
  Aztec Sandstone is a prominent Jurassic-age red and cream-colored sandstone formation known for creating the dramatic cliffs and rock formations of the Red Rock Canyon area near Las Vegas, Nevada.
• E. 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.
• 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: Entrada Sandstone
Triple: [Arches National Park, rockType, Entrada Sandstone]

Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.

Target entity: Entrada Sandstone
Target entity description: Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.

• A. Navajo Sandstone
  Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
• B. 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.
• C. Tura limestone
  Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
• D. Aztec Sandstone
  Aztec Sandstone is a prominent Jurassic-age red and cream-colored sandstone formation known for creating the dramatic cliffs and rock formations of the Red Rock Canyon area near Las Vegas, Nevada.
• E. 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.
• F. None of above. chosen