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: Walter Mazariegos | Statement: [Universidad de San Carlos de Guatemala, hasRector, Walter Mazariegos]

Target entity: Walter Mazariegos
Context triple: [Universidad de San Carlos de Guatemala, hasRector, Walter Mazariegos]

• A. Justo Arosemena
  Justo Arosemena was a 19th-century Panamanian statesman, jurist, and intellectual regarded as a key architect of Panama’s political and legal identity.
• B. Humberto Delgado
  Humberto Delgado was a prominent Portuguese Air Force general and outspoken opponent of the Estado Novo dictatorship, remembered as a key figure in Portugal’s democratic opposition.
• C. José María Amador
  José María Amador was a 19th-century Californio rancher, miner, and landowner whose prominence in early California history led to several places, including Amador County, being named in his honor.
• D. Luis Carrera
  Luis Carrera was a Chilean lawyer, soldier, and political figure who, along with his brothers, played a prominent role in Chile’s early struggle for independence from Spain.
• E. Filiberto Ojeda Ríos
  Filiberto Ojeda Ríos was a Puerto Rican nationalist leader and militant best known as the founder and commander of the pro-independence group Los Macheteros.
• 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: Walter Mazariegos
Triple: [Universidad de San Carlos de Guatemala, hasRector, Walter Mazariegos]

Walter Mazariegos is a Guatemalan academic and administrator who serves as rector of the historic public university Universidad de San Carlos de Guatemala.

Target entity: Walter Mazariegos
Target entity description: Walter Mazariegos is a Guatemalan academic and administrator who serves as rector of the historic public university Universidad de San Carlos de Guatemala.

• A. Justo Arosemena
  Justo Arosemena was a 19th-century Panamanian statesman, jurist, and intellectual regarded as a key architect of Panama’s political and legal identity.
• B. Humberto Delgado
  Humberto Delgado was a prominent Portuguese Air Force general and outspoken opponent of the Estado Novo dictatorship, remembered as a key figure in Portugal’s democratic opposition.
• C. José María Amador
  José María Amador was a 19th-century Californio rancher, miner, and landowner whose prominence in early California history led to several places, including Amador County, being named in his honor.
• D. Luis Carrera
  Luis Carrera was a Chilean lawyer, soldier, and political figure who, along with his brothers, played a prominent role in Chile’s early struggle for independence from Spain.
• E. Filiberto Ojeda Ríos
  Filiberto Ojeda Ríos was a Puerto Rican nationalist leader and militant best known as the founder and commander of the pro-independence group Los Macheteros.
• F. None of above. chosen