Task: Question Answering
Input (English): Problem: in an election between two candidates , one got 55 % of the total valid votes , 20 % of the votes were invalid . if the total number of votes was 7500 , the number of valid votes that the other candidate got , was 
Options: a ) 2500 , b ) 2700 , c ) 3000 , d ) 3100 , e ) nobe
Output (English): b