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: Fort Robinson breakout | Statement: [Northern Cheyenne Exodus, hasPart, Fort Robinson breakout]

Target entity: Fort Robinson breakout
Context triple: [Northern Cheyenne Exodus, hasPart, Fort Robinson breakout]

• A. siege of the TA Ranch
  The siege of the TA Ranch was a pivotal 1892 armed standoff in Wyoming during the Johnson County War, where local settlers and lawmen surrounded hired gunmen employed by powerful cattle interests.
• B. Pigeon Hill raid
  The Pigeon Hill raid was a minor 1866 incursion by Irish-American Fenian militants from the United States into Canada East (Quebec), intended to pressure Britain over Irish independence as part of the broader Fenian Raids.
• C. Fetterman Fight
  The Fetterman Fight was an 1866 battle near Fort Phil Kearny in which Lakota, Cheyenne, and Arapaho warriors annihilated a U.S. Army detachment, marking one of the worst military defeats for the United States on the Great Plains prior to the Battle of the Little Bighorn.
• D. Marianna raid
  The Marianna raid was a small but brutal American Civil War engagement in September 1864, in which Union forces attacked the Confederate-held town of Marianna, Florida, resulting in intense street fighting and significant local destruction.
• E. Gunpowder River Bridge
  The Gunpowder River Bridge is a historic railroad bridge in Maryland that carried the Philadelphia, Wilmington and Baltimore Railroad across the Gunpowder River, playing a key role in early rail travel along the Northeast Corridor.
• 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: Fort Robinson breakout
Triple: [Northern Cheyenne Exodus, hasPart, Fort Robinson breakout]

The Fort Robinson breakout was a violent 1879 escape attempt by Northern Cheyenne prisoners from Fort Robinson, Nebraska, after U.S. authorities tried to force their return to Indian Territory, resulting in a deadly clash that became a key episode in their struggle to return to their homeland.

Target entity: Fort Robinson breakout
Target entity description: The Fort Robinson breakout was a violent 1879 escape attempt by Northern Cheyenne prisoners from Fort Robinson, Nebraska, after U.S. authorities tried to force their return to Indian Territory, resulting in a deadly clash that became a key episode in their struggle to return to their homeland.

• A. siege of the TA Ranch
  The siege of the TA Ranch was a pivotal 1892 armed standoff in Wyoming during the Johnson County War, where local settlers and lawmen surrounded hired gunmen employed by powerful cattle interests.
• B. Pigeon Hill raid
  The Pigeon Hill raid was a minor 1866 incursion by Irish-American Fenian militants from the United States into Canada East (Quebec), intended to pressure Britain over Irish independence as part of the broader Fenian Raids.
• C. Fetterman Fight
  The Fetterman Fight was an 1866 battle near Fort Phil Kearny in which Lakota, Cheyenne, and Arapaho warriors annihilated a U.S. Army detachment, marking one of the worst military defeats for the United States on the Great Plains prior to the Battle of the Little Bighorn.
• D. Marianna raid
  The Marianna raid was a small but brutal American Civil War engagement in September 1864, in which Union forces attacked the Confederate-held town of Marianna, Florida, resulting in intense street fighting and significant local destruction.
• E. Gunpowder River Bridge
  The Gunpowder River Bridge is a historic railroad bridge in Maryland that carried the Philadelphia, Wilmington and Baltimore Railroad across the Gunpowder River, playing a key role in early rail travel along the Northeast Corridor.
• F. None of above. chosen