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: Lin Biao attempted to flee to the Soviet Union | Statement: [Lin Biao incident, officialNarrativeClaims, Lin Biao attempted to flee to the Soviet Union]

Target entity: Lin Biao attempted to flee to the Soviet Union
Context triple: [Lin Biao incident, officialNarrativeClaims, Lin Biao attempted to flee to the Soviet Union]

• A. Lin Biao incident
  The Lin Biao incident was a 1971 political and military crisis in China in which Mao Zedong’s designated successor Lin Biao allegedly plotted a coup and died in a mysterious plane crash while fleeing, triggering a major purge and reshaping the course of the Cultural Revolution.
• B. Lin Biao clique
  The Lin Biao clique was a faction of Chinese Communist Party officials and military leaders aligned with Marshal Lin Biao, later condemned as a counterrevolutionary group implicated in an alleged coup attempt against Mao Zedong.
• C. Battle of Changban bridge incident
  The Battle of Changban bridge incident is a famous episode from the late Eastern Han period in which the warrior Zhang Fei reportedly held off pursuing enemy forces at a bridge to protect Liu Bei’s retreat, becoming a legendary symbol of bravery in Chinese history and the Romance of the Three Kingdoms.
• D. Lin Biao chosen
  Lin Biao was a prominent Chinese Communist military commander and politician who played a key role in the Chinese Civil War and later became Mao Zedong’s designated successor before dying under mysterious circumstances in 1971.
• E. Gaoping Tombs coup
  The Gaoping Tombs coup was a pivotal 249 CE power seizure in the state of Cao Wei during the Three Kingdoms period, in which the general and regent Sima Yi eliminated his political rival Cao Shuang and paved the way for the rise of the Jin dynasty.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.