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. cavalry | Statement: [6th Cavalry Museum, hasMainSubject, U.S. cavalry]

Target entity: U.S. cavalry
Context triple: [6th Cavalry Museum, hasMainSubject, U.S. cavalry]

• A. United States Cavalry chosen
  The United States Cavalry was a historic mounted combat branch of the U.S. Army that played a key role in 19th- and early 20th-century American military campaigns, including the Indian Wars, the Civil War, and the Spanish–American War.
• B. Reserve Cavalry
  Reserve Cavalry was the dedicated mounted reserve formation of Napoleon’s French Armée du Nord, intended for rapid, decisive shock action and exploitation on the battlefield.
• C. Cavalry
  Cavalry is a traditional military combat arm historically composed of soldiers mounted on horseback, now often referring to fast, mobile ground or air units.
• D. United States Army 7th Cavalry Regiment
  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.
• E. Confederate cavalry
  Confederate cavalry were the mounted troops of the Confederate States Army in the American Civil War, known for their mobility, reconnaissance, and raiding operations behind Union lines.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.