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: Macrianus Major | Statement: [Roman civil wars of the 3rd century, involves, Macrianus Major]

Target entity: Macrianus Major
Context triple: [Roman civil wars of the 3rd century, involves, Macrianus Major]

• A. Libius Severus
  Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
• B. Plautianus
  Plautianus was a powerful Roman statesman and close ally of Emperor Septimius Severus who rose to great influence before being executed for alleged treason in the early 3rd century AD.
• C. Marcianus
  Marcianus was a late Roman imperial prince, known primarily as the son of Western Roman Emperor Anthemius.
• D. Lucianus
  Lucianus is an ancient Roman masculine given name that later evolved into various forms such as Lucien and Lucian.
• E. Trebonianus Gallus
  Trebonianus Gallus was a Roman emperor who ruled from 251 to 253 AD during the Crisis of the Third Century, noted for his troubled reign marked by military defeats and plague.
• 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: Macrianus Major
Triple: [Roman civil wars of the 3rd century, involves, Macrianus Major]

Macrianus Major was a 3rd-century Roman usurper and military leader who, amid the empire’s crisis, helped elevate his sons as rival emperors against Gallienus.

Target entity: Macrianus Major
Target entity description: Macrianus Major was a 3rd-century Roman usurper and military leader who, amid the empire’s crisis, helped elevate his sons as rival emperors against Gallienus.

• A. Libius Severus
  Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
• B. Plautianus
  Plautianus was a powerful Roman statesman and close ally of Emperor Septimius Severus who rose to great influence before being executed for alleged treason in the early 3rd century AD.
• C. Marcianus
  Marcianus was a late Roman imperial prince, known primarily as the son of Western Roman Emperor Anthemius.
• D. Lucianus
  Lucianus is an ancient Roman masculine given name that later evolved into various forms such as Lucien and Lucian.
• E. Trebonianus Gallus
  Trebonianus Gallus was a Roman emperor who ruled from 251 to 253 AD during the Crisis of the Third Century, noted for his troubled reign marked by military defeats and plague.
• F. None of above. chosen