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: Battle of the Masurian Lakes | Statement: [August von Mackensen, battle, Battle of the Masurian Lakes]

Target entity: Battle of the Masurian Lakes
Context triple: [August von Mackensen, battle, Battle of the Masurian Lakes]

• A. Second Battle of the Masurian Lakes
  The Second Battle of the Masurian Lakes was a major German offensive against Russian forces in East Prussia in early 1915, resulting in heavy Russian losses and a significant German advance on the Eastern Front during World War I.
• B. First Battle of the Masurian Lakes chosen
  The First Battle of the Masurian Lakes was a major German offensive against Russian forces in East Prussia in September 1914 that resulted in a significant Russian retreat and helped secure the Eastern Front for Germany early in World War I.
• C. Battle of the Niemen River
  The Battle of the Niemen River was a decisive 1920 engagement in which Polish forces defeated the Red Army, helping secure Poland’s eastern borders at the end of the Polish–Soviet War.
• D. Battle of East Prussia
  The Battle of East Prussia was a late-World War II campaign in which Soviet forces invaded and ultimately overran Germany’s East Prussian region, leading to its destruction as a German territory.
• E. Battle of Tuchola Forest
  The Battle of Tuchola Forest was an early World War II clash in September 1939 between Polish and German forces in northern Poland, resulting in a significant German victory during the invasion of Poland.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.