Task: Question Answering
Input (English): Problem: in an election between two candidates , one got 45 % 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 ) 2200 , b ) 3600 , c ) 3270 , d ) 3700 , e ) 4000
Output (English): a