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: Byzantine emperor Isaac II Angelos | Statement: [Peter IV of Bulgaria, suzeraintyRejected, Byzantine emperor Isaac II Angelos]

Target entity: Byzantine emperor Isaac II Angelos
Context triple: [Peter IV of Bulgaria, suzeraintyRejected, Byzantine emperor Isaac II Angelos]

• A. Isaac II Angelos chosen
  Isaac II Angelos was a Byzantine emperor of the late 12th century whose turbulent reign was marked by internal strife, heavy taxation, and the empire’s growing vulnerability leading up to the Fourth Crusade.
• B. Byzantine Emperor Alexios III Angelos
  Byzantine Emperor Alexios III Angelos was a late 12th- to early 13th-century ruler of the Byzantine Empire whose weak leadership and mismanagement contributed to the empire’s decline and the events leading up to the Fourth Crusade.
• C. Baldwin II of Constantinople
  Baldwin II of Constantinople was the last Latin emperor of Constantinople, whose troubled reign was marked by financial hardship, territorial losses, and the eventual fall of the Latin Empire in 1261.
• D. Alexios IV Angelos
  Alexios IV Angelos was a Byzantine emperor whose alliance with the leaders of the Fourth Crusade led to the crusaders’ intervention in Constantinople and the eventual sack of the city in 1204.
• E. Alexios III Komnenos
  Alexios III Komnenos was a Byzantine emperor of Trebizond from the 14th century, known for consolidating his realm along the Black Sea coast and patronizing Orthodox monastic institutions.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: suzeraintyRejected
Context triple: [Peter IV of Bulgaria, suzeraintyRejected, Byzantine emperor Isaac II Angelos]

• A. rejectedBy chosen
  Indicates that one entity has been refused, dismissed, or not accepted by another entity.
• B. rejectedIn
  Indicates that an entity or proposal was not accepted or was turned down within a specific context, process, or location.
• C. suzerain
  Indicates a relationship in which one entity holds overlordship or supreme authority over another, which remains internally autonomous but owes allegiance, tribute, or obedience.
• D. rejectedAt
  Indicates the time or date at which something (such as a request, application, or proposal) was formally rejected.
• E. rejectedBecause
  Indicates that one entity refused, dismissed, or did not accept another entity specifically due to a stated reason or cause.
• F. None of above.