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: Severus III | Statement: [Libius Severus, alsoKnownAs, Severus III]

Target entity: Severus III
Context triple: [Libius Severus, alsoKnownAs, Severus III]

• A. Jovinus
  Jovinus was a Roman usurper who briefly claimed the imperial title in Gaul during the early 5th century Western Roman Empire.
• B. Constans
  Constans was a 4th-century Roman emperor, son of Constantine the Great, who ruled over parts of the Western Roman Empire until his overthrow and death.
• C. Valentinian II
  Valentinian II was a late 4th-century Roman emperor of the Western Roman Empire who came to the throne as a child and ruled under the influence of powerful generals and bishops during a time of intense religious and political conflict.
• D. Valentinian I
  Valentinian I was a 4th-century Roman emperor (reigned 364–375 AD) known for strengthening the empire’s frontiers and defending the Western Roman Empire against Germanic invasions.
• E. Vetranio
  Vetranio was a 4th-century Roman general who briefly ruled as a usurper emperor in the Balkans before abdicating in favor of Constantius II.
• 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: Severus III
Triple: [Libius Severus, alsoKnownAs, Severus III]

Severus III was a Western Roman emperor who ruled from 461 to 465 AD during the empire’s final decades of political fragmentation and decline.

Target entity: Severus III
Target entity description: Severus III was a Western Roman emperor who ruled from 461 to 465 AD during the empire’s final decades of political fragmentation and decline.

• A. Jovinus
  Jovinus was a Roman usurper who briefly claimed the imperial title in Gaul during the early 5th century Western Roman Empire.
• B. Constans
  Constans was a 4th-century Roman emperor, son of Constantine the Great, who ruled over parts of the Western Roman Empire until his overthrow and death.
• C. Valentinian II
  Valentinian II was a late 4th-century Roman emperor of the Western Roman Empire who came to the throne as a child and ruled under the influence of powerful generals and bishops during a time of intense religious and political conflict.
• D. Valentinian I
  Valentinian I was a 4th-century Roman emperor (reigned 364–375 AD) known for strengthening the empire’s frontiers and defending the Western Roman Empire against Germanic invasions.
• E. Vetranio
  Vetranio was a 4th-century Roman general who briefly ruled as a usurper emperor in the Balkans before abdicating in favor of Constantius II.
• F. None of above. chosen