Q:Generate a question that has the following answer: It is a dud for the following movie plot: During World War II, Wehrmacht Colonel Claus von Stauffenberg (Cruise) is severely wounded during an RAF air raid in Tunisia, losing his right hand, the ring and little finger on his left hand, and his left eye, and is evacuated home to Nazi Germany. Meanwhile, Major General Henning von Tresckow (Branagh) attempts to assassinate Adolf Hitler by smuggling a bomb aboard the Fuhrer's personal airplane. The bomb, however, is a dud and fails to detonate, and Tresckow flies to Berlin in order to safely retrieve it. After learning that the Gestapo has arrested Major General Hans Oster, he orders General Olbricht (Nighy) to find a replacement. After recruiting Stauffenberg into the German Resistance, Olbricht presents Stauffenberg at a meeting of the secret committee which has coordinated previous attempts on Hitler's life. The members include General Ludwig Beck (Stamp), Dr. Carl Goerdeler (McNally), and Erwin von Witzleben (Schofield). Stauffenberg is stunned to learn that no plans exist on the subject of what is to be done after Hitler's assassination. During a bombing raid on Berlin, he gets the idea of using Operation Valkyrie, which involves the deployment of the Reserve Army to maintain order in the event of a national emergency. The plotters carefully redraft the plan's orders so that they can dismantle the Nazi regime after assassinating Hitler. Realizing that only General Friedrich Fromm (Wilkinson), the head of the Reserve Army, can initiate Valkyrie, they offer him a position as head of the Wehrmacht in a post-Nazi Germany and request his support, but Fromm declines to be directly involved, stating he will not side with them so long as Hitler is alive. With the rewritten Operation Valkyrie orders needing to be signed by Hitler (Bamber), Stauffenberg visits the Fuhrer at his Berghof estate in Bavaria. Fromm's influence allows Stauffenberg to bring the copy directly before Hitler, and in the presence of Joseph Goebbels, Heinrich Himmler, Hermann Goring, Wilhelm Keitel and Albert Speer, his inner circle,...
A:
What is wrong with the bomb that causes its detonation to fail?