Triple

Target entity: Soviet Vistula–Oder and follow‑on operations
Context triple: [Battle of Gdynia, militaryCampaign, Soviet Vistula–Oder and follow‑on operations]

• A. Polish Armed Forces in the East
  The Polish Armed Forces in the East were Polish military units formed under Soviet auspices during World War II that fought alongside the Red Army against Nazi Germany on the Eastern Front.
• B. German Army on the Eastern Front
  The German Army on the Eastern Front was the Wehrmacht’s primary land force fighting the Soviet Union during World War II, engaged in some of the largest and most brutal campaigns of the conflict.
• C. Vistula–Oder Offensive chosen
  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.
• 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. Soviet Military Administration in Germany
  The Soviet Military Administration in Germany was the governing authority established by the Soviet Union to administer and control its occupation zone in post-World War II Germany until the creation of the German Democratic Republic.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.