Detailed Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Q: Germany's top Nazi war crimes hunter had 50 former death camp guards in his sights after an international trawl through archives and wartime service records of S.S. personnel. While Oskar Groening was today sentenced to four years in jail for facilitating the murder of 300,000 Jews at Auschwitz, none of them are ever likely to make it into the dock. Kurt Schrimm of Germany's Central Office for the investigation of National Socialist Crimes prepared prosecution papers against the former overseers who served at the Auschwitz extermination centre in Nazi occupied Poland during WWII. Auschwitz, as well as being a vast prison camp where inmates worked until they died, was also the largest of the Nazi killing factories where an estimated 1.2 million people were put to death.Oskar Groening today finally faced justice for his involvement in the murder of 300,000 Jews at AuschwitzGroeing admitted moral guilt for the crimes, but denied responsibility before he was jailed in a German court for four yearsBut Germany's top war crimes prosecutor had a list of 50 former Nazi soldiers he wanted charged of mass murder during WWIIMany of Hitler's footsoldiers fled Europe for the US and South America and assumed new identities to escape justice for 70 yearsMany of them are now either dead or too old to go on trial 
 Questions:In an interview with a _ magazine in 1985, he reportedly said: 'My only regret is I didn't murder more Jews'. (A) Germany (B) Nazi (C) S.S. (D) Oskar Groening (E) Jews (F) Auschwitz (G) Kurt Schrimm (H) Central Office (I) National Socialist Crimes (J) Poland (K) WWII (L) Groeing (M) Hitler (N) Europe (O) US (P) South America
A:
(A)