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: First Barons' War | Statement: [Treaty of Lambeth (Treaty of Kingston), follows, First Barons' War]

Target entity: First Barons' War
Context triple: [Treaty of Lambeth (Treaty of Kingston), follows, First Barons' War]

• A. First Barons' War chosen
  The First Barons' War was a civil conflict in early 13th-century England in which rebellious nobles, backed at times by the French, fought the crown over royal authority and the enforcement of Magna Carta.
• B. Second Barons' War
  The Second Barons' War was a mid-13th-century English civil conflict in which rebellious nobles led by Simon de Montfort challenged King Henry III’s authority and sought to limit royal power through reforms.
• C. Revolt of 1173–1174
  The Revolt of 1173–1174 was a major rebellion against King Henry II of England led by his sons and powerful nobles, backed by France and Scotland, that threatened to fracture his Angevin Empire before being decisively suppressed.
• D. Siege of 1264
  The Siege of 1264 was a key episode in the Second Barons' War in England, when rebel forces led by Simon de Montfort besieged royalist-held Rochester Castle as part of their struggle against King Henry III.
• E. The Anarchy (English civil war)
  The Anarchy was a mid-12th-century English civil war marked by a bitter succession struggle between King Stephen and Empress Matilda, resulting in widespread lawlessness and political instability across England and parts of Normandy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.