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: 1st U.S. Cavalry Regiment | Statement: [Battle of Las Guasimas, involvesUnit, 1st U.S. Cavalry Regiment]

Target entity: 1st U.S. Cavalry Regiment
Context triple: [Battle of Las Guasimas, involvesUnit, 1st U.S. Cavalry Regiment]

• A. 2nd U.S. Cavalry
  The 2nd U.S. Cavalry was a pre–Civil War Regular Army regiment that served on the American frontier and later fought for the Union in the American Civil War.
• B. 7th Cavalry Regiment
  The 7th Cavalry Regiment is a historic U.S. Army unit best known for its prominent roles in the Indian Wars, including the Battle of the Little Bighorn, and later in major conflicts such as the Vietnam War.
• C. 3rd Cavalry Regiment
  The 3rd Cavalry Regiment is a historic U.S. Army armored cavalry unit known for its reconnaissance and security missions in major conflicts from the 19th century through the wars in Iraq and Afghanistan.
• D. 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.
• E. 1st Squadron, 3rd Cavalry Regiment
  The 1st Squadron, 3rd Cavalry Regiment is a battalion-sized cavalry unit of the United States Army that serves as one of the primary maneuver elements of the historic 3rd Cavalry Regiment.
• 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: 1st U.S. Cavalry Regiment
Triple: [Battle of Las Guasimas, involvesUnit, 1st U.S. Cavalry Regiment]

The 1st U.S. Cavalry Regiment is a historic United States Army cavalry unit that has served in numerous conflicts since the 19th century, including the Spanish–American War.

Target entity: 1st U.S. Cavalry Regiment
Target entity description: The 1st U.S. Cavalry Regiment is a historic United States Army cavalry unit that has served in numerous conflicts since the 19th century, including the Spanish–American War.

• A. 2nd U.S. Cavalry
  The 2nd U.S. Cavalry was a pre–Civil War Regular Army regiment that served on the American frontier and later fought for the Union in the American Civil War.
• B. 7th Cavalry Regiment
  The 7th Cavalry Regiment is a historic U.S. Army unit best known for its prominent roles in the Indian Wars, including the Battle of the Little Bighorn, and later in major conflicts such as the Vietnam War.
• C. 3rd Cavalry Regiment
  The 3rd Cavalry Regiment is a historic U.S. Army armored cavalry unit known for its reconnaissance and security missions in major conflicts from the 19th century through the wars in Iraq and Afghanistan.
• D. 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.
• E. 1st Squadron, 3rd Cavalry Regiment
  The 1st Squadron, 3rd Cavalry Regiment is a battalion-sized cavalry unit of the United States Army that serves as one of the primary maneuver elements of the historic 3rd Cavalry Regiment.
• F. None of above. chosen