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: U.S. Army operations around the Battle of the Little Bighorn | Statement: [Alfred Terry, notableEvent, U.S. Army operations around the Battle of the Little Bighorn]

Target entity: U.S. Army operations around the Battle of the Little Bighorn
Context triple: [Alfred Terry, notableEvent, U.S. Army operations around the Battle of the Little Bighorn]

• A. 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.
• B. U.S. Cavalry vs. Apaches
  U.S. Cavalry vs. Apaches refers to a common Western film theme depicting armed conflicts and tense frontier relations between United States cavalry forces and Apache tribes in the American Southwest.
• C. United States Army 7th Cavalry Regiment chosen
  The United States Army 7th Cavalry Regiment is a historic cavalry unit best known for its role in the Indian Wars, including the Battle of the Little Bighorn and the Wounded Knee Massacre, and later service in major 20th- and 21st-century conflicts.
• D. Custer’s Last Stand (as historical event)
  Custer’s Last Stand is the 1876 Battle of the Little Bighorn, where Lieutenant Colonel George Armstrong Custer and his troops were overwhelmingly defeated and killed by a coalition of Lakota, Northern Cheyenne, and Arapaho warriors.
• E. Pawnee Scouts in U.S. Army
  The Pawnee Scouts in the U.S. Army were Native American auxiliary units composed primarily of Pawnee warriors who served as highly effective guides, trackers, and combat scouts for the U.S. military on the Great Plains during the Indian Wars.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.