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: Caesar of the Eastern Roman Empire | Statement: [Gallus, positionHeld, Caesar of the Eastern Roman Empire]

Target entity: Caesar of the Eastern Roman Empire
Context triple: [Gallus, positionHeld, Caesar of the Eastern Roman Empire]

• A. Caesar of the Eastern Roman Empire chosen
  Caesar of the Eastern Roman Empire was the junior imperial title in the eastern half of the Roman Empire under the Tetrarchy system, designating a subordinate emperor and designated successor to the senior Augustus.
• B. Augustus of the Eastern Roman Empire
  Augustus of the Eastern Roman Empire was the senior imperial title held by the chief ruler of the empire’s eastern half during the Tetrarchy and subsequent late Roman imperial period.
• C. Justinian I
  Justinian I was a 6th-century Byzantine emperor renowned for his ambitious reconquest of former Western Roman territories and his comprehensive codification of Roman law, which became the foundation of much of later European legal tradition.
• D. Eastern Roman emperor Zeno
  Eastern Roman emperor Zeno was a late 5th-century Byzantine ruler whose turbulent reign saw internal revolts, religious conflicts, and the formal end of the Western Roman Empire.
• E. Alexander of Byzantium
  Alexander of Byzantium was a Byzantine emperor from the Macedonian dynasty who briefly ruled the Eastern Roman Empire in the early 11th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.