context: Kubitschek and Hitler met while renting an apartment in Linz. Their musical preferences were similar (both were fond of the works of Richard Wagner and loved the opera), and they became friends. From February 22 to the beginning of June 1908, Kubitschek and Hitler lived in the same room in Vienna.
question: What was Hitler's hobby?
answers.text: were fond of the works of Richard Wagner and loved the opera