Task: Question Answering
Input (English): Problem: in a factory , there are 50 % technicians and 50 % non - technicians . if the 50 % of the technicians and 50 % of non - technicians are permanent employees , then the percentage of workers who are temporary is ? 
Options: a ) 50 % , b ) 57 % , c ) 52 % , d ) 22 % , e ) 42 %
Output (English): a