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: Sand Creek Massacre National Historic Site | Statement: [Kiowa County, Colorado, hasProtectedArea, Sand Creek Massacre National Historic Site]

Target entity: Sand Creek Massacre National Historic Site
Context triple: [Kiowa County, Colorado, hasProtectedArea, Sand Creek Massacre National Historic Site]

• A. Pecos National Historical Park
  Pecos National Historical Park is a protected area in New Mexico preserving the extensive ruins and cultural history of the Pecos Pueblo, Spanish colonial missions, and Civil War-era sites.
• B. Fort Union National Monument
  Fort Union National Monument is a preserved 19th-century U.S. Army fort in northeastern New Mexico that protected the Santa Fe Trail and served as a key military and supply hub in the American Southwest.
• C. Cochise Stronghold
  Cochise Stronghold is a rugged, scenic canyon and historic hideout of the Apache leader Cochise in the Dragoon Mountains of southeastern Arizona, now popular for hiking, camping, and rock climbing.
• D. Buffalo Bill Ranch State Historical Park
  Buffalo Bill Ranch State Historical Park is a historic site and museum preserving the former home and ranch of showman William "Buffalo Bill" Cody, showcasing his life and legacy on the Great Plains.
• E. Washita Battlefield National Historic Site
  Washita Battlefield National Historic Site is a protected area in western Oklahoma that preserves the location of the 1868 Battle of the Washita, where U.S. forces attacked a Southern Cheyenne village led by Chief Black Kettle.
• 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: Sand Creek Massacre National Historic Site
Triple: [Kiowa County, Colorado, hasProtectedArea, Sand Creek Massacre National Historic Site]

Sand Creek Massacre National Historic Site is a U.S. National Park Service unit preserving the location and memory of the 1864 massacre of Cheyenne and Arapaho people by U.S. troops in southeastern Colorado.

Target entity: Sand Creek Massacre National Historic Site
Target entity description: Sand Creek Massacre National Historic Site is a U.S. National Park Service unit preserving the location and memory of the 1864 massacre of Cheyenne and Arapaho people by U.S. troops in southeastern Colorado.

• A. Pecos National Historical Park
  Pecos National Historical Park is a protected area in New Mexico preserving the extensive ruins and cultural history of the Pecos Pueblo, Spanish colonial missions, and Civil War-era sites.
• B. Fort Union National Monument
  Fort Union National Monument is a preserved 19th-century U.S. Army fort in northeastern New Mexico that protected the Santa Fe Trail and served as a key military and supply hub in the American Southwest.
• C. Cochise Stronghold
  Cochise Stronghold is a rugged, scenic canyon and historic hideout of the Apache leader Cochise in the Dragoon Mountains of southeastern Arizona, now popular for hiking, camping, and rock climbing.
• D. Buffalo Bill Ranch State Historical Park
  Buffalo Bill Ranch State Historical Park is a historic site and museum preserving the former home and ranch of showman William "Buffalo Bill" Cody, showcasing his life and legacy on the Great Plains.
• E. Washita Battlefield National Historic Site
  Washita Battlefield National Historic Site is a protected area in western Oklahoma that preserves the location of the 1868 Battle of the Washita, where U.S. forces attacked a Southern Cheyenne village led by Chief Black Kettle.
• F. None of above. chosen