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: Charles IV of Spain | Statement: [Treaty of San Ildefonso (1796), headOfStateOfSignatory, Charles IV of Spain]

Target entity: Charles IV of Spain
Context triple: [Treaty of San Ildefonso (1796), headOfStateOfSignatory, Charles IV of Spain]

• A. Charles IV of Spain chosen
  Charles IV of Spain was a late 18th- and early 19th-century Bourbon king whose weak rule and reliance on favorites contributed to political instability and the circumstances leading to the Peninsular War and the decline of Spanish power.
• B. Charles I of Spain
  Charles I of Spain, also known as Charles V, was a 16th-century Habsburg monarch who ruled an expansive global empire as King of Spain and Holy Roman Emperor.
• C. Charles III of Spain
  Charles III of Spain was an 18th-century Bourbon monarch known for his enlightened absolutist reforms that modernized Spain’s administration, economy, and empire.
• D. Ferdinand VI of Spain
  Ferdinand VI of Spain was an 18th-century Bourbon monarch known for his peaceful foreign policy, efforts to stabilize Spain’s finances, and promotion of cultural and administrative reforms.
• E. Philip IV of Spain
  Philip IV of Spain was a 17th-century Habsburg king who presided over the Spanish Empire during its political and military decline but also its cultural Golden Age, patronizing artists like Diego Velázquez.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: headOfStateOfSignatory
Context triple: [Treaty of San Ildefonso (1796), headOfStateOfSignatory, Charles IV of Spain]

• A. headOfStateOf chosen
  Indicates that one entity serves as the chief public representative and highest-ranking official authority of another entity, typically a country or state.
• B. headOfStateIs
  Indicates that one entity serves as the head of state (the highest public representative) of another entity, typically a country or similar political unit.
• C. headOfGovernment
  Indicates that one entity serves as the chief executive authority or leader of the government of another entity.
• D. headOfStateAtPromulgation
  Indicates the person who was serving as the head of state at the time a particular law, constitution, or legal act was formally promulgated.
• E. headOfStateTitle
  Indicates the official title held by the person who serves as the head of state of a country or political entity.
• F. None of above.