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: Evacuation of East Prussia | Statement: [Braunsberg, historicalEvent, Evacuation of East Prussia]

Target entity: Evacuation of East Prussia
Context triple: [Braunsberg, historicalEvent, Evacuation of East Prussia]

• A. Russian invasion of East Prussia
  The Russian invasion of East Prussia was an early World War I campaign in 1914 in which Russian forces advanced into German territory, triggering major battles such as Tannenberg and the Masurian Lakes.
• B. Russian campaigns in East Prussia
  The Russian campaigns in East Prussia were a series of mid-18th-century military operations in which the Russian Empire invaded and temporarily occupied the Prussian province of East Prussia during the Seven Years' War.
• C. Ilovaisk encirclement
  Ilovaisk encirclement was a major 2014 battle in the war in eastern Ukraine, in which Ukrainian forces were surrounded and suffered heavy losses while attempting to withdraw from the town of Ilovaisk.
• D. Operation Vistula
  Operation Vistula was a 1947 forced resettlement campaign by communist Poland that deported tens of thousands of Ukrainians and Lemkos from their ancestral southeastern borderlands to the country’s western and northern territories.
• E. Retreat from the Eastern Front chosen
  Retreat from the Eastern Front refers to the large-scale withdrawal of German and Axis forces westward during the later stages of World War II as the Soviet Red Army advanced across Eastern Europe into Germany.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.