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: East Prussian campaign | Statement: [31st Army, participatedIn, East Prussian campaign]

Target entity: East Prussian campaign
Context triple: [31st Army, participatedIn, East Prussian campaign]

• A. East Prussian Offensive chosen
  The East Prussian Offensive was a major Soviet Red Army campaign in early 1945 that invaded and captured Germany’s East Prussia, contributing directly to the collapse of Nazi Germany in World War II.
• B. Baltic campaign
  The Baltic campaign was a series of naval operations by British and French forces against the Russian Empire in the Baltic Sea during the Crimean War, aimed at weakening Russia’s maritime power and coastal defenses.
• C. East Pomeranian Offensive
  The East Pomeranian Offensive was a major 1945 Soviet military campaign that cleared German forces from Pomerania, securing the Red Army’s northern flank in preparation for the final assault on Berlin.
• D. Vistula–Oder Offensive
  The Vistula–Oder Offensive was a major Soviet Red Army campaign in early 1945 that rapidly pushed German forces from central Poland to the Oder River, paving the way for the final assault on Berlin.
• E. Baltic Offensive
  The Baltic Offensive was a major Soviet military campaign in 1944 that drove German forces out of the Baltic states and cut off Army Group North during World War II.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.