Task: Question Answering
Input (English): Problem: a merchant has 1000 kg of sugar part of which he sells at 8 % profit and the rest at 18 % profit . he gains 14 % on the whole . the quantity sold at 18 % profit is ? 
Options: a ) 700 kg , b ) 500 kg , c ) 600 kg , d ) 800 kg , e ) 900 kg
Output (English): c