Task: Question Answering
Input (English): Problem: in an election between two candidates , one got 60 % of the total valid votes , 20 % of the votes were invalid . if the total number of votes was 2000 , the number of valid votes that the other candidate got , was : 
Options: a ) 1200 , b ) 750 , c ) 800 , d ) 600 , e ) 900
Output (English): c