Task: Question Answering
Input (English): Problem: during a certain two - week period , 50 percent of the movies rented from a video store were comedies , and of the remaining movies rented , there were 9 times as many dramas as action movies . if no other movies were rented during that two - week period and there were a action movies rented , then how many comedies , in terms of a , were rented during that two - week period ? 
Options: a ) 5 a , b ) 10 a , c ) 20 a , d ) 25 a , e ) 28 a
Output (English): b