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: antipope Dioscorus | Statement: [Pope Boniface II, conflict, antipope Dioscorus]

Target entity: antipope Dioscorus
Context triple: [Pope Boniface II, conflict, antipope Dioscorus]

• A. antipope Felix V
  Antipope Felix V was the last historical antipope, a 15th-century Duke of Savoy who was elected by the Council of Basel in opposition to Pope Eugene IV.
• B. Paschalis II
  Paschalis II was a 12th-century pope (reigning from 1099 to 1118) known for his role in the Investiture Controversy and conflicts with the Holy Roman Emperor over the appointment of bishops.
• C. Pope Theodore I
  Pope Theodore I was a 7th-century Bishop of Rome known for his firm opposition to the Monothelite heresy and his role in shaping early medieval church doctrine and politics.
• D. Theodoric (antipope)
  Theodoric was an 11th-century antipope who briefly claimed the papacy in opposition to the legitimate pope during the Investiture Controversy.
• E. Patriarch Michael I Cerularius
  Patriarch Michael I Cerularius was the 11th-century Ecumenical Patriarch of Constantinople whose conflicts with the papacy played a central role in the formal split between the Eastern Orthodox and Roman Catholic Churches.
• 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: antipope Dioscorus
Triple: [Pope Boniface II, conflict, antipope Dioscorus]

Antipope Dioscorus was a 6th-century cleric who opposed the legitimate papal succession in Rome by setting himself up as a rival to Pope Boniface II.

Target entity: antipope Dioscorus
Target entity description: Antipope Dioscorus was a 6th-century cleric who opposed the legitimate papal succession in Rome by setting himself up as a rival to Pope Boniface II.

• A. antipope Felix V
  Antipope Felix V was the last historical antipope, a 15th-century Duke of Savoy who was elected by the Council of Basel in opposition to Pope Eugene IV.
• B. Paschalis II
  Paschalis II was a 12th-century pope (reigning from 1099 to 1118) known for his role in the Investiture Controversy and conflicts with the Holy Roman Emperor over the appointment of bishops.
• C. Pope Theodore I
  Pope Theodore I was a 7th-century Bishop of Rome known for his firm opposition to the Monothelite heresy and his role in shaping early medieval church doctrine and politics.
• D. Theodoric (antipope)
  Theodoric was an 11th-century antipope who briefly claimed the papacy in opposition to the legitimate pope during the Investiture Controversy.
• E. Patriarch Michael I Cerularius
  Patriarch Michael I Cerularius was the 11th-century Ecumenical Patriarch of Constantinople whose conflicts with the papacy played a central role in the formal split between the Eastern Orthodox and Roman Catholic Churches.
• F. None of above. chosen