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: King Ferdinand I of Bulgaria | Statement: [funeral of Edward VII, participant, King Ferdinand I of Bulgaria]

Target entity: King Ferdinand I of Bulgaria
Context triple: [funeral of Edward VII, participant, King Ferdinand I of Bulgaria]

• A. Ferdinand I of Bulgaria chosen
  Ferdinand I of Bulgaria was the ruler who transformed Bulgaria from a principality into an independent kingdom, serving as its prince and later tsar from 1887 to 1918 and leading the country through the Balkan Wars and World War I.
• B. 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.
• C. Tsar Ivan Alexander of Bulgaria
  Tsar Ivan Alexander of Bulgaria was a 14th-century Bulgarian ruler known for presiding over a cultural and literary revival that marked one of the last great flourishing periods of the medieval Bulgarian Empire.
• D. 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.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.