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: Prince of Bulgaria | Statement: [Prince Kiril of Bulgaria, royalTitle, Prince of Bulgaria]

Target entity: Prince of Bulgaria
Context triple: [Prince Kiril of Bulgaria, royalTitle, Prince of Bulgaria]

• A. Peter IV of Bulgaria
  Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
• B. Peter I of Bulgaria
  Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
• C. Alexander I of Bulgaria
  Alexander I of Bulgaria was the first modern ruler of an autonomous Bulgaria after Ottoman rule, reigning as prince from 1879 to 1886 during the formative years of the Bulgarian state.
• D. Prince Asen of Bulgaria
  Prince Asen of Bulgaria was a Bulgarian royal prince from the House of Saxe-Coburg and Gotha, known as a younger son of Tsar Ferdinand I and a member of Bulgaria’s last reigning dynasty.
• E. Tsar of Bulgaria
  The Tsar of Bulgaria was the hereditary monarch and head of state of the Kingdom of Bulgaria until the abolition of the monarchy in 1946.
• 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: Prince of Bulgaria
Triple: [Prince Kiril of Bulgaria, royalTitle, Prince of Bulgaria]

Prince of Bulgaria is a dynastic title historically borne by male members of the Bulgarian royal family, particularly those in the line of succession to the throne.

Target entity: Prince of Bulgaria
Target entity description: Prince of Bulgaria is a dynastic title historically borne by male members of the Bulgarian royal family, particularly those in the line of succession to the throne.

• A. Peter IV of Bulgaria
  Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
• B. Peter I of Bulgaria
  Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
• C. Alexander I of Bulgaria
  Alexander I of Bulgaria was the first modern ruler of an autonomous Bulgaria after Ottoman rule, reigning as prince from 1879 to 1886 during the formative years of the Bulgarian state.
• D. Prince Asen of Bulgaria chosen
  Prince Asen of Bulgaria was a Bulgarian royal prince from the House of Saxe-Coburg and Gotha, known as a younger son of Tsar Ferdinand I and a member of Bulgaria’s last reigning dynasty.
• E. Tsar of Bulgaria
  The Tsar of Bulgaria was the hereditary monarch and head of state of the Kingdom of Bulgaria until the abolition of the monarchy in 1946.
• F. None of above.