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: United States frontier army | Statement: [Henry Atkinson, associatedWith, United States frontier army]

Target entity: United States frontier army
Context triple: [Henry Atkinson, associatedWith, United States frontier army]

• A. Frontier Corps
  The Frontier Corps is a Pakistani federal paramilitary force primarily responsible for border security and maintaining law and order in the country’s western provinces and tribal areas.
• B. Federal Army
  The Federal Army, more commonly known as the Union Army, was the land force that fought for the Northern states of the United States during the American Civil War.
• C. Military Frontier troops
  Military Frontier troops were Habsburg border soldiers drawn largely from local Croatian and other Balkan populations, organized to defend the Military Frontier against Ottoman incursions.
• D. Army of the West
  The Army of the West was a U.S. military force in the Mexican–American War that led the overland campaign to seize New Mexico and California for the United States.
• E. Army of the Frontier
  The Army of the Frontier was a Union field army that operated primarily in the Trans-Mississippi Theater during the American Civil War, conducting campaigns in Arkansas, Missouri, and the Indian Territory.
• 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: United States frontier army
Triple: [Henry Atkinson, associatedWith, United States frontier army]

The United States frontier army was the branch of the U.S. military responsible for protecting and expanding the nation’s western frontier through garrison duty, exploration, and conflicts with Native American tribes during the 18th and 19th centuries.

Target entity: United States frontier army
Target entity description: The United States frontier army was the branch of the U.S. military responsible for protecting and expanding the nation’s western frontier through garrison duty, exploration, and conflicts with Native American tribes during the 18th and 19th centuries.

• A. Frontier Corps
  The Frontier Corps is a Pakistani federal paramilitary force primarily responsible for border security and maintaining law and order in the country’s western provinces and tribal areas.
• B. Federal Army
  The Federal Army, more commonly known as the Union Army, was the land force that fought for the Northern states of the United States during the American Civil War.
• C. Military Frontier troops
  Military Frontier troops were Habsburg border soldiers drawn largely from local Croatian and other Balkan populations, organized to defend the Military Frontier against Ottoman incursions.
• D. Army of the West
  The Army of the West was a U.S. military force in the Mexican–American War that led the overland campaign to seize New Mexico and California for the United States.
• E. Army of the Frontier
  The Army of the Frontier was a Union field army that operated primarily in the Trans-Mississippi Theater during the American Civil War, conducting campaigns in Arkansas, Missouri, and the Indian Territory.
• F. None of above. chosen