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 invasion of Poland | Statement: [Duchy of Sandomierz, event, Mongol invasion of Poland]

Target entity: Mongol invasion of Poland
Context triple: [Duchy of Sandomierz, event, Mongol invasion of Poland]

• A. Mongol invasion of Poland chosen
  The Mongol invasion of Poland was a 13th-century military campaign in which Mongol forces devastated Polish territories, sacked major cities, and defeated local armies as part of their wider expansion into Europe.
• B. Mongol invasions of Europe
  The Mongol invasions of Europe were a series of 13th-century military campaigns in which Mongol armies devastated and conquered large parts of Eastern and Central Europe, profoundly impacting the region’s political and social landscape.
• C. Mongol invasion of Hungary
  The Mongol invasion of Hungary was a devastating 13th-century military campaign in 1241–1242 during which Mongol forces ravaged the Kingdom of Hungary, causing massive destruction and loss of life before abruptly withdrawing.
• D. Siege of Malbork
  The Siege of Malbork was a 1410 military campaign in which Polish-Lithuanian forces unsuccessfully attempted to capture the Teutonic Knights’ heavily fortified capital at Malbork Castle following their defeat at the Battle of Grunwald.
• E. Tatar invasion of Russia
  The Tatar invasion of Russia refers to the series of 13th-century Mongol-Tatar campaigns that devastated the Rus' principalities and led to centuries of domination under the Golden Horde.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.