Question: The Pianist is a memoir in which the author survives with the help of which German Army officer?
Sentence (from "The Pianist (memoir)"): After being forced with his family to live in the Warsaw ghetto, Szpilman manages to avoid deportation to the Treblinka extermination camp, and from his hiding places around the city witnesses the Warsaw ghetto uprising in 1943 and the Warsaw uprising (the rebellion by the Polish resistance) the following year.
Relevant evidence: No