premise: Operation Zahnarzt (literally "Dentist") was a plan by the Germans to eliminate the Third Army during World War II. The plan of Operation Zahnarzt was to immediately come after Operation Nordwind. The plan was to initiate a pincer movement to encircle and destroy the 3rd US Army.
hypothesis: Operation Zahnarzt was part of WWI
reason: Operation Zahnarzt was part of the Cold War.