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: Mongol Empire period | Statement: [Subutai, historicalEra, Mongol Empire period]

Target entity: Mongol Empire period
Context triple: [Subutai, historicalEra, Mongol Empire period]

• A. Pax Mongolica
  Pax Mongolica was a 13th–14th century era of relative peace and stability across the vast Mongol Empire that enabled flourishing long-distance trade, cultural exchange, and travel between Europe and Asia.
• B. Northern Yuan dynasty
  The Northern Yuan dynasty was the Mongol regime that continued the legacy of the Mongol Empire in Mongolia and surrounding regions after the fall of the Yuan dynasty in China.
• C. Mongol Empire chosen
  The Mongol Empire was a vast 13th–14th century Eurasian empire founded by Genghis Khan, renowned for its unprecedented territorial expansion, military prowess, and facilitation of trade and cultural exchange along the Silk Road.
• D. Mongol conquests
  The Mongol conquests were a series of 13th- and 14th-century military campaigns that created one of the largest contiguous empires in history, stretching across much of Asia and into Europe.
• E. Mongol-ruled Central Asia
  Mongol-ruled Central Asia was the vast region of Central Asia brought under the political and military control of the Mongol Empire, administered by the Great Khan and his appointed governors during the 13th and 14th centuries.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.