Task: Question Answering
Input (English): Problem: at veridux corporation , there are 210 employees . of these , 90 are female , and the rest are males . there are a total of 40 managers , and the rest of the employees are associates . if there are a total of 135 male associates , how many female managers are there ? 
Options: a ) 15 , b ) 20 , c ) 25 , d ) 30 , e ) 55
Output (English): e