Task: Question Answering
Input (English): Problem: while calculating the edge of a square , a worker makes an error of 2 % in excess . what % error does he make in calculating area ? ( % ) 
Options: ['a ) 4.09', 'b ) 4.0', 'c ) 4.04', 'd ) 4.02', 'e ) 4.01']
Output (English): c