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: Blue Mesa Member | Statement: [Chinle Formation, hasMember, Blue Mesa Member]

Target entity: Blue Mesa Member
Context triple: [Chinle Formation, hasMember, Blue Mesa Member]

• A. Blue Mesa
  Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
• B. Blue Mesa Reservoir
  Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
• C. Uncompahgre Valley
  Uncompahgre Valley is a fertile agricultural and scenic river valley in western Colorado, known for its irrigation projects and views of the surrounding San Juan Mountains.
• D. Ute Mountain
  Ute Mountain is a prominent peak in the Four Corners region of the southwestern United States, culturally significant to the Ute people and a notable landmark of the surrounding high desert landscape.
• E. Uncompahgre Ute
  Uncompahgre Ute is a dialect of the Ute language traditionally spoken by the Uncompahgre band of the Ute people in the western United States.
• 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: Blue Mesa Member
Triple: [Chinle Formation, hasMember, Blue Mesa Member]

The Blue Mesa Member is a distinctive, colorful mudstone and sandstone subunit of the Late Triassic Chinle Formation, best known for its banded badlands exposures in the Petrified Forest region of Arizona.

Target entity: Blue Mesa Member
Target entity description: The Blue Mesa Member is a distinctive, colorful mudstone and sandstone subunit of the Late Triassic Chinle Formation, best known for its banded badlands exposures in the Petrified Forest region of Arizona.

• A. Blue Mesa chosen
  Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
• B. Blue Mesa Reservoir
  Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
• C. Uncompahgre Valley
  Uncompahgre Valley is a fertile agricultural and scenic river valley in western Colorado, known for its irrigation projects and views of the surrounding San Juan Mountains.
• D. Ute Mountain
  Ute Mountain is a prominent peak in the Four Corners region of the southwestern United States, culturally significant to the Ute people and a notable landmark of the surrounding high desert landscape.
• E. Uncompahgre Ute
  Uncompahgre Ute is a dialect of the Ute language traditionally spoken by the Uncompahgre band of the Ute people in the western United States.
• F. None of above.