<P> Sophie eventually reveals that her father was a Nazi sympathizer . Sophie's wartime lover, Józef, who lived with his half - sister, Wanda, was a leader in the Resistance . Wanda tried to convince Sophie to translate some stolen Gestapo documents, but Sophie declined, fearing she might endanger her children . Two weeks later, Józef was murdered by the Gestapo, and Sophie was arrested and sent to Auschwitz with her children . </P> <P> Nathan tells Sophie and Stingo that the research he is doing at a pharmaceutical company is so groundbreaking that he will win the Nobel Prize . At a meeting with Nathan's physician brother, Stingo learns that Nathan is a paranoid schizophrenic and that all of the schools that Nathan had attended were "expensive funny farms ." He has a job in the library of a pharmaceutical firm, which his brother got for him, and only occasionally assists with research . </P> <P> After Nathan discharges a firearm over the telephone in a violent rage, Sophie and Stingo flee to a hotel . She reveals to him that, upon arrival at Auschwitz, she was forced to choose which one of her two children would be gassed and which would proceed to the labor camp . To avoid having both children killed, she chose her son, Jan, to be sent to the children's camp, and her daughter, Eva, to be sent to her death . </P> <P> Sophie and Stingo make love, but while Stingo is sleeping Sophie returns to Nathan . Sophie and Nathan commit suicide by taking cyanide . Stingo recites the poem "Ample Make This Bed" by Emily Dickinson--the American poet that Sophie was fond of reading . </P>

Who does sophie choose in sophie's choice
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