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: Dali Kingdom became a Mongol vassal | Statement: [Mongol conquest of Dali Kingdom, politicalConsequence, Dali Kingdom became a Mongol vassal]

Target entity: Dali Kingdom became a Mongol vassal
Context triple: [Mongol conquest of Dali Kingdom, politicalConsequence, Dali Kingdom became a Mongol vassal]

• A. Mongol conquest of Dali Kingdom
  The Mongol conquest of the Dali Kingdom was a 13th-century campaign in which the Mongol Empire subjugated the Dali state in present-day Yunnan, securing control over a key region in southwestern China.
• B. Bogd Khanate of Mongolia
  The Bogd Khanate of Mongolia was a theocratic monarchy that briefly restored Mongolian independence from Qing China in the early 20th century under the spiritual leadership of the Bogd Khan.
• C. Tibetan Empire (indirectly via alliances)
  The Tibetan Empire was a powerful Central Asian empire (7th–9th centuries) that controlled vast territories across the Tibetan Plateau and surrounding regions and played a major role in regional politics, warfare, and trade along the Silk Road.
• D. Dali Kingdom chosen
  The Dali Kingdom was a medieval Bai-led state in what is now Yunnan, China, that flourished from the 10th to 13th centuries before being conquered by the Mongol Empire.
• E. Mongol conquest of Tibet
  The Mongol conquest of Tibet was a 13th-century military and political campaign through which the Mongol Empire brought Tibet under its influence, laying the foundations for later Yuan dynasty control over the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.