text: The AK-47 was first used on a wide scale during this event. During this event, the Dudas Group attackedmembers of the AVH Secret Police.
full_question: The AK-47 was first used on a wide scale during this event. During this event, the Dudas Group attackedmembers of the AVH Secret Police. Its leader was deported to Romania after leaving the Yugoslavian embassydespite a promise of safe conduct. Tensions resulting from this event spilled over into an a Olympic water polomatch that became known as the "Blood in the Water Match." It was inspired in part by the Secret Speech ofNikita Khrushchev, and following it, premier Janos Kadar instituted the system of "goulash communism." For10 points, name this 1956 revolution in which Imre Nagy's attempt to withdraw a Central European countryfrom the Warsaw Pact was quelled by a Soviet invasion. 
first_sentence: The AK-47 was first used on a wide scale during this event. During this event, the Dudas Group attackedmembers of the AVH Secret Police.
raw_answer: Hungarian Revolution of 1956 [or anything indicating an uprising in Hungary in 1956] 