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: Niemba ambush | Statement: [United Nations Operation in the Congo, notableEvent, Niemba ambush]

Target entity: Niemba ambush
Context triple: [United Nations Operation in the Congo, notableEvent, Niemba ambush]

• A. Shangani Patrol incident
  The Shangani Patrol incident was a famous 1893 battle in which a small British South Africa Company patrol was annihilated while pursuing King Lobengula during the First Matabele War in present-day Zimbabwe.
• B. Baga massacre
  The Baga massacre was a 2015 attack in northeastern Nigeria in which Boko Haram militants killed hundreds of civilians and destroyed large parts of the town of Baga.
• C. Battle of Kajaki
  The Battle of Kajaki was a significant engagement during the War in Afghanistan in which British and coalition forces fought to secure the strategically important Kajaki Dam area from Taliban insurgents.
• D. Laha massacre
  The Laha massacre was a World War II war crime in which Japanese forces executed hundreds of Australian and Dutch prisoners of war on Ambon Island in 1942.
• E. Battle of Sangin
  The Battle of Sangin was a prolonged and intense series of engagements in Afghanistan’s Helmand Province, where British and later U.S. and Afghan forces fought to secure a strategically vital Taliban stronghold.
• 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: Niemba ambush
Triple: [United Nations Operation in the Congo, notableEvent, Niemba ambush]

The Niemba ambush was a 1960 attack in the Congo in which Irish UN peacekeepers were killed by Baluba tribesmen, marking one of the earliest and deadliest incidents for United Nations forces during the Congo Crisis.

Target entity: Niemba ambush
Target entity description: The Niemba ambush was a 1960 attack in the Congo in which Irish UN peacekeepers were killed by Baluba tribesmen, marking one of the earliest and deadliest incidents for United Nations forces during the Congo Crisis.

• A. Shangani Patrol incident
  The Shangani Patrol incident was a famous 1893 battle in which a small British South Africa Company patrol was annihilated while pursuing King Lobengula during the First Matabele War in present-day Zimbabwe.
• B. Baga massacre
  The Baga massacre was a 2015 attack in northeastern Nigeria in which Boko Haram militants killed hundreds of civilians and destroyed large parts of the town of Baga.
• C. Battle of Kajaki
  The Battle of Kajaki was a significant engagement during the War in Afghanistan in which British and coalition forces fought to secure the strategically important Kajaki Dam area from Taliban insurgents.
• D. Laha massacre
  The Laha massacre was a World War II war crime in which Japanese forces executed hundreds of Australian and Dutch prisoners of war on Ambon Island in 1942.
• E. Battle of Sangin
  The Battle of Sangin was a prolonged and intense series of engagements in Afghanistan’s Helmand Province, where British and later U.S. and Afghan forces fought to secure a strategically vital Taliban stronghold.
• F. None of above. chosen