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: Emperor Constantine VI | Statement: [Second Council of Nicaea, convokedBy, Emperor Constantine VI]

Target entity: Emperor Constantine VI
Context triple: [Second Council of Nicaea, convokedBy, Emperor Constantine VI]

• A. Emperor Constantine IV
  Emperor Constantine IV was a 7th-century Byzantine emperor known for defending Constantinople against Arab sieges and for his role in resolving the Monothelite controversy within the Christian Church.
• B. Theodore II Palaiologos
  Theodore II Palaiologos was a Byzantine noble of the Palaiologos dynasty who served as Despot of the Morea in the early 15th century.
• C. Constantine II
  Constantine II was a 4th-century Roman emperor, the eldest son of Constantine the Great, who ruled parts of the Roman Empire after his father's death until his own early demise in a dynastic conflict.
• D. Thomas Palaiologos
  Thomas Palaiologos was a 15th-century Byzantine prince and Despot of the Morea who, after the fall of Constantinople, lived in exile in Western Europe seeking support to restore the Byzantine Empire.
• E. Demetrios Palaiologos
  Demetrios Palaiologos was a 15th-century Byzantine prince and Despot of the Morea, known for his role in the final decades of the Byzantine Empire before its fall.
• 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: Emperor Constantine VI
Triple: [Second Council of Nicaea, convokedBy, Emperor Constantine VI]

Emperor Constantine VI was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century, known for his troubled reign marked by regency under his mother Irene and eventual deposition and blinding.

Target entity: Emperor Constantine VI
Target entity description: Emperor Constantine VI was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century, known for his troubled reign marked by regency under his mother Irene and eventual deposition and blinding.

• A. Emperor Constantine IV
  Emperor Constantine IV was a 7th-century Byzantine emperor known for defending Constantinople against Arab sieges and for his role in resolving the Monothelite controversy within the Christian Church.
• B. Theodore II Palaiologos
  Theodore II Palaiologos was a Byzantine noble of the Palaiologos dynasty who served as Despot of the Morea in the early 15th century.
• C. Constantine II
  Constantine II was a 4th-century Roman emperor, the eldest son of Constantine the Great, who ruled parts of the Roman Empire after his father's death until his own early demise in a dynastic conflict.
• D. Thomas Palaiologos
  Thomas Palaiologos was a 15th-century Byzantine prince and Despot of the Morea who, after the fall of Constantinople, lived in exile in Western Europe seeking support to restore the Byzantine Empire.
• E. Demetrios Palaiologos
  Demetrios Palaiologos was a 15th-century Byzantine prince and Despot of the Morea, known for his role in the final decades of the Byzantine Empire before its fall.
• F. None of above. chosen