Task: Question Answering
Input (English): Problem: in a stockpile of products produced by 3 machines m 1 , m 2 and m 3 , 40 % and 30 % were manufactured by m 1 and m 2 respectively . 3 % of the products of m 1 are defective , 1 % of products of m 2 defective , while 93 % of the products of m 3 iii are not defective . what is the percentage of defective in the stockpile ? 
Options: a ) 3 % , b ) 5 % , c ) 2.5 % , d ) 4 % , e ) 3.6 %
Output (English): e