Task: Question Answering
Input (English): Problem: 3 - twentieths of the members of a social club are retirees who are also bridge players , 5 - twentieths of the members are retirees , and one - half of the members are bridge players . if 120 of the members are neither retirees nor bridge players , what is the total number of members in the social club ? 
Options: a ) 240 , b ) 300 , c ) 200 , d ) 400 , e ) 480
Output (English): c