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: Son Sen | Statement: [Democratic Kampuchea, defenceMinister, Son Sen]

Target entity: Son Sen
Context triple: [Democratic Kampuchea, defenceMinister, Son Sen]

• A. Heran River
  The Heran River is a significant tributary that feeds into the Rewa River, contributing to its flow and regional drainage system.
• B. Daule River
  The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
• C. Ichu River
  The Ichu River is a waterway in the central highlands of Peru that flows through the Huancavelica region, contributing to its Andean landscape and local ecosystems.
• D. Assi River
  The Assi River is a small river in Varanasi, India, that meets the Ganges near Assi Ghat and gives the famous ghat its name.
• E. Odiel River
  The Odiel River is a major river in southwestern Spain that flows through the province of Huelva before emptying into the Atlantic Ocean.
• 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: Son Sen
Triple: [Democratic Kampuchea, defenceMinister, Son Sen]

Son Sen was a senior Khmer Rouge leader who oversaw internal security and mass purges in Democratic Kampuchea under Pol Pot’s regime.

Target entity: Son Sen
Target entity description: Son Sen was a senior Khmer Rouge leader who oversaw internal security and mass purges in Democratic Kampuchea under Pol Pot’s regime.

• A. Heran River
  The Heran River is a significant tributary that feeds into the Rewa River, contributing to its flow and regional drainage system.
• B. Daule River
  The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
• C. Ichu River
  The Ichu River is a waterway in the central highlands of Peru that flows through the Huancavelica region, contributing to its Andean landscape and local ecosystems.
• D. Assi River
  The Assi River is a small river in Varanasi, India, that meets the Ganges near Assi Ghat and gives the famous ghat its name.
• E. Odiel River
  The Odiel River is a major river in southwestern Spain that flows through the province of Huelva before emptying into the Atlantic Ocean.
• F. None of above. chosen