Task: Question Answering
Input (English): Problem: a reduction of 50 % in the price of oil enables a house wife to obtain 5 kgs more for rs . 800 , what is the reduced price for kg ? 
Options: a ) s . 42 , b ) s . 46 , c ) s . 40 , d ) s . 80 , e ) s . 34
Output (English): d