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: Cheyenne Mountain Complex | Statement: [North American Aerospace Defense Command, undergroundAlternateCommandCenter, Cheyenne Mountain Complex]

Target entity: Cheyenne Mountain Complex
Context triple: [North American Aerospace Defense Command, undergroundAlternateCommandCenter, Cheyenne Mountain Complex]

• A. Fort Wainwright
  Fort Wainwright is a major U.S. Army installation in interior Alaska that supports Arctic training and operations.
• B. Nevada Test and Training Range
  The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
• C. Pueblo Chemical Depot
  Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
• D. White Sands Missile Range
  White Sands Missile Range is a major U.S. Army testing facility in southern New Mexico known for missile and weapons testing and as the site of the first atomic bomb detonation.
• E. Nellis Air Force Base
  Nellis Air Force Base is a major United States Air Force installation near Las Vegas known for advanced combat training exercises such as Red Flag and for hosting the USAF Warfare Center.
• 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: Cheyenne Mountain Complex
Triple: [North American Aerospace Defense Command, undergroundAlternateCommandCenter, Cheyenne Mountain Complex]

Cheyenne Mountain Complex is a highly secure, hardened military installation built into Cheyenne Mountain in Colorado, historically known as a central command and control hub for North American air and space defense operations.

Target entity: Cheyenne Mountain Complex
Target entity description: Cheyenne Mountain Complex is a highly secure, hardened military installation built into Cheyenne Mountain in Colorado, historically known as a central command and control hub for North American air and space defense operations.

• A. Fort Wainwright
  Fort Wainwright is a major U.S. Army installation in interior Alaska that supports Arctic training and operations.
• B. Nevada Test and Training Range
  The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
• C. Pueblo Chemical Depot
  Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
• D. White Sands Missile Range
  White Sands Missile Range is a major U.S. Army testing facility in southern New Mexico known for missile and weapons testing and as the site of the first atomic bomb detonation.
• E. Nellis Air Force Base
  Nellis Air Force Base is a major United States Air Force installation near Las Vegas known for advanced combat training exercises such as Red Flag and for hosting the USAF Warfare Center.
• F. None of above. chosen

Target predicate: undergroundAlternateCommandCenter
Context triple: [North American Aerospace Defense Command, undergroundAlternateCommandCenter, Cheyenne Mountain Complex]

• A. hasUndergroundMine
  Indicates that one entity possesses, controls, or contains an underground mine associated with it.
• B. hasUndergroundSection
  Indicates that an entity includes a portion or segment that is located below ground level.
• C. centralLocation
  Indicates that one entity serves as the primary or central place associated with another entity.
• D. revivalCenter
  Indicates that an entity serves as a central place or hub where revival, restoration, or renewal activities for another entity occur.
• E. hasUndergroundSlide
  Indicates that one entity features or includes an underground slide connecting it to another location or structure.
• F. None of above. chosen