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: Pope Alexander V (Pisan) | Statement: [Pope John XXIII (Pisan), predecessor, Pope Alexander V (Pisan)]

Target entity: Pope Alexander V (Pisan)
Context triple: [Pope John XXIII (Pisan), predecessor, Pope Alexander V (Pisan)]

• A. Pope Alexander IV
  Pope Alexander IV was a 13th-century head of the Catholic Church known for continuing his predecessor’s policies in church reform and conflicts with the Holy Roman Empire.
• B. Pope Alexander II
  Pope Alexander II was an 11th-century pontiff known for supporting church reform and backing William the Conqueror’s Norman invasion of England.
• C. Pope Adrian V
  Pope Adrian V was a 13th-century Italian pontiff, born Ottobuono Fieschi, whose extremely brief papacy in 1276 is chiefly remembered for his role in church politics and his later depiction in Dante’s Divine Comedy.
• D. Pope Nicholas IV
  Pope Nicholas IV was the head of the Catholic Church from 1288 to 1292 and the first Franciscan pope, noted for his efforts to promote missionary work and navigate complex political relations between Europe and the Mongol Empire.
• E. Pope Nicholas III
  Pope Nicholas III was a 13th-century head of the Catholic Church and ruler of the Papal States, noted for his influential role in church politics and administration during the late Middle Ages.
• 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: Pope Alexander V (Pisan)
Triple: [Pope John XXIII (Pisan), predecessor, Pope Alexander V (Pisan)]

Pope Alexander V (Pisan) was a 15th-century antipope of the Western Schism, elected by the Council of Pisa in 1409 in an attempt to end the division within the Catholic Church.

Target entity: Pope Alexander V (Pisan)
Target entity description: Pope Alexander V (Pisan) was a 15th-century antipope of the Western Schism, elected by the Council of Pisa in 1409 in an attempt to end the division within the Catholic Church.

• A. Pope Alexander IV
  Pope Alexander IV was a 13th-century head of the Catholic Church known for continuing his predecessor’s policies in church reform and conflicts with the Holy Roman Empire.
• B. Pope Alexander II
  Pope Alexander II was an 11th-century pontiff known for supporting church reform and backing William the Conqueror’s Norman invasion of England.
• C. Pope Adrian V
  Pope Adrian V was a 13th-century Italian pontiff, born Ottobuono Fieschi, whose extremely brief papacy in 1276 is chiefly remembered for his role in church politics and his later depiction in Dante’s Divine Comedy.
• D. Pope Nicholas IV
  Pope Nicholas IV was the head of the Catholic Church from 1288 to 1292 and the first Franciscan pope, noted for his efforts to promote missionary work and navigate complex political relations between Europe and the Mongol Empire.
• E. Pope Nicholas III
  Pope Nicholas III was a 13th-century head of the Catholic Church and ruler of the Papal States, noted for his influential role in church politics and administration during the late Middle Ages.
• F. None of above. chosen