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: 9th U.S. Cavalry Regiment | Statement: [Battle of San Juan Hill, involvesUnit, 9th U.S. Cavalry Regiment]

Target entity: 9th U.S. Cavalry Regiment
Context triple: [Battle of San Juan Hill, involvesUnit, 9th U.S. Cavalry Regiment]

• A. 10th U.S. Cavalry Regiment
  The 10th U.S. Cavalry Regiment was one of the original African American "Buffalo Soldier" units in the U.S. Army, noted for its distinguished service in the Indian Wars and the Spanish–American War.
• B. U.S. 9th Infantry Regiment
  The U.S. 9th Infantry Regiment is a historic U.S. Army infantry unit with a distinguished combat record in multiple major conflicts, including the Korean War.
• C. 19th Light Dragoons
  The 19th Light Dragoons was a British Army cavalry regiment that served in the late 18th and early 19th centuries, notably in campaigns in India and North America.
• D. 13th Light Dragoons
  The 13th Light Dragoons was a British Army cavalry regiment best known for its role in the Charge of the Light Brigade during the Crimean War.
• E. 15th Light Dragoons
  The 15th Light Dragoons was a British Army light cavalry regiment that served in the 18th and early 19th centuries, participating in various European and colonial campaigns.
• 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: 9th U.S. Cavalry Regiment
Triple: [Battle of San Juan Hill, involvesUnit, 9th U.S. Cavalry Regiment]

The 9th U.S. Cavalry Regiment is a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the Indian Wars, the Spanish–American War, and later conflicts.

Target entity: 9th U.S. Cavalry Regiment
Target entity description: The 9th U.S. Cavalry Regiment is a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the Indian Wars, the Spanish–American War, and later conflicts.

• A. 10th U.S. Cavalry Regiment
  The 10th U.S. Cavalry Regiment was one of the original African American "Buffalo Soldier" units in the U.S. Army, noted for its distinguished service in the Indian Wars and the Spanish–American War.
• B. U.S. 9th Infantry Regiment
  The U.S. 9th Infantry Regiment is a historic U.S. Army infantry unit with a distinguished combat record in multiple major conflicts, including the Korean War.
• C. 19th Light Dragoons
  The 19th Light Dragoons was a British Army cavalry regiment that served in the late 18th and early 19th centuries, notably in campaigns in India and North America.
• D. 13th Light Dragoons
  The 13th Light Dragoons was a British Army cavalry regiment best known for its role in the Charge of the Light Brigade during the Crimean War.
• E. 15th Light Dragoons
  The 15th Light Dragoons was a British Army light cavalry regiment that served in the 18th and early 19th centuries, participating in various European and colonial campaigns.
• F. None of above. chosen