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: kurultai of 1229 | Statement: [Ögedei Khan, appointedBy, kurultai of 1229]

Target entity: kurultai of 1229
Context triple: [Ögedei Khan, appointedBy, kurultai of 1229]

• A. Kurultai of 1229 chosen
  The Kurultai of 1229 was a grand Mongol imperial council that formally elected Ögedei Khan as the Great Khan, shaping the succession and future expansion of the Mongol Empire.
• B. Convention of Kütahya
  The Convention of Kütahya was an 1833 peace agreement that ended the first Egyptian–Ottoman War by granting Muhammad Ali Pasha control over Syria and other territories while preserving the formal authority of the Ottoman Sultan.
• C. Lutsk Conference of 1429 (Congress of Monarchs)
  The Lutsk Conference of 1429, also known as the Congress of Monarchs, was a major diplomatic summit in Eastern Europe where leading rulers of the region gathered to negotiate political alliances, territorial disputes, and strategies against the Ottoman threat.
• D. Čáslav Diet of 1421
  The Čáslav Diet of 1421 was a key Hussite-era assembly in the Bohemian town of Čáslav that sought to establish a new political and religious order following the outbreak of the Hussite Wars.
• E. 1335 Visegrád Congress
  The 1335 Visegrád Congress was a diplomatic summit of Central European monarchs where they forged political and economic alliances that reshaped regional power dynamics in the late Middle Ages.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.