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: Papal legates of Pope Leo IX | Statement: [Michael I Cerularius, conflict, Papal legates of Pope Leo IX]

Target entity: Papal legates of Pope Leo IX
Context triple: [Michael I Cerularius, conflict, Papal legates of Pope Leo IX]

• A. Pope Leo IX
  Pope Leo IX was an 11th-century reformist pope whose conflicts with the Byzantine Church helped precipitate the East–West Schism between Roman Catholicism and Eastern Orthodoxy.
• B. pontificate of Clement VI
  The pontificate of Clement VI was a notable period of the Avignon Papacy marked by lavish courtly splendor, assertive papal authority, and the Church’s response to the Black Death in the mid-14th century.
• C. Pope Gregory VII
  Pope Gregory VII was an 11th-century reformist pope known for asserting papal authority over secular rulers and excommunicating Emperor Henry IV during the Investiture Controversy.
• D. pontificate of Gregory XI
  The pontificate of Gregory XI was the final papal reign of the Avignon Papacy, marked by his decision to return the papal court from Avignon to Rome in the late 14th century.
• E. Pope Gregory the Dialogist
  Pope Gregory the Dialogist, also known as Pope Gregory I or Gregory the Great, was a 6th-century pope renowned for his influential theological writings, liturgical reforms, and role in shaping medieval Western Christianity.
• 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: Papal legates of Pope Leo IX
Triple: [Michael I Cerularius, conflict, Papal legates of Pope Leo IX]

The Papal legates of Pope Leo IX were his official envoys sent to Constantinople in 1054, whose dispute with Patriarch Michael I Cerularius helped trigger the East–West Schism between the Roman Catholic and Eastern Orthodox Churches.

Target entity: Papal legates of Pope Leo IX
Target entity description: The Papal legates of Pope Leo IX were his official envoys sent to Constantinople in 1054, whose dispute with Patriarch Michael I Cerularius helped trigger the East–West Schism between the Roman Catholic and Eastern Orthodox Churches.

• A. Pope Leo IX
  Pope Leo IX was an 11th-century reformist pope whose conflicts with the Byzantine Church helped precipitate the East–West Schism between Roman Catholicism and Eastern Orthodoxy.
• B. pontificate of Clement VI
  The pontificate of Clement VI was a notable period of the Avignon Papacy marked by lavish courtly splendor, assertive papal authority, and the Church’s response to the Black Death in the mid-14th century.
• C. Pope Gregory VII
  Pope Gregory VII was an 11th-century reformist pope known for asserting papal authority over secular rulers and excommunicating Emperor Henry IV during the Investiture Controversy.
• D. pontificate of Gregory XI
  The pontificate of Gregory XI was the final papal reign of the Avignon Papacy, marked by his decision to return the papal court from Avignon to Rome in the late 14th century.
• E. Pope Gregory the Dialogist
  Pope Gregory the Dialogist, also known as Pope Gregory I or Gregory the Great, was a 6th-century pope renowned for his influential theological writings, liturgical reforms, and role in shaping medieval Western Christianity.
• F. None of above. chosen