options: m : oh ! at that time , why did the government called on all its citizens over 16 learn special skills ? m : why the government called on all its citizens to work on christmas day ? m : are you serious ? all its citizens over 14 years old must help out in the war . m : back to then , all its citizens over 18 years old must help out in the war .
article: m : good evening . for today 's program , we have invited sophie , a lady , who worked as a nurse during world war 2 . f : good evening . at the beginning of world war 2 , the government called on all its citizens 18 years old and over to help out . i started training as a nurse in november 1940. it was 2 months of being taught basic skills in the school of nursing .