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: Postumus | Statement: [Agrippa Postumus, cognomen, Postumus]

Target entity: Postumus
Context triple: [Agrippa Postumus, cognomen, Postumus]

• A. Postumus
  Postumus was a 3rd-century Roman military commander who broke away from central imperial authority to establish and rule the secessionist Gallic Empire in the western provinces.
• B. Thomas Diafoirus
  Thomas Diafoirus is a pedantic and comically inept young medical student in Molière’s play "Le Malade imaginaire," often mocked for his rigid scholasticism and lack of practical sense.
• C. Clytius
  Clytius is a lesser-known Trojan prince in Greek mythology, one of the many sons of King Priam of Troy.
• D. Burebista
  Burebista was a 1st-century BC king who forged a powerful Dacian kingdom in the Carpathian region and became a significant regional rival to Rome.
• E. Brutus III
  Brutus III is the third in a series of influential Anti-Federalist essays, written under the pseudonym "Brutus," that argued against ratifying the proposed U.S. Constitution.
• 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: Postumus
Triple: [Agrippa Postumus, cognomen, Postumus]

Postumus is a Latin cognomen historically used in ancient Rome, often given to a child born after the father's death or last in the family line.

Target entity: Postumus
Target entity description: Postumus is a Latin cognomen historically used in ancient Rome, often given to a child born after the father's death or last in the family line.

• A. Postumus
  Postumus was a 3rd-century Roman military commander who broke away from central imperial authority to establish and rule the secessionist Gallic Empire in the western provinces.
• B. Thomas Diafoirus
  Thomas Diafoirus is a pedantic and comically inept young medical student in Molière’s play "Le Malade imaginaire," often mocked for his rigid scholasticism and lack of practical sense.
• C. Clytius
  Clytius is a lesser-known Trojan prince in Greek mythology, one of the many sons of King Priam of Troy.
• D. Burebista
  Burebista was a 1st-century BC king who forged a powerful Dacian kingdom in the Carpathian region and became a significant regional rival to Rome.
• E. Brutus III
  Brutus III is the third in a series of influential Anti-Federalist essays, written under the pseudonym "Brutus," that argued against ratifying the proposed U.S. Constitution.
• F. None of above. chosen