Task: Question Answering
Input (English): Problem: a prize of $ 400 is to be distributed among 20 winners , each of whom must be awarded at least $ 20 . if 2 / 5 of the prize will be distributed to 3 / 5 of the winners , what is the greatest possible individual award ? 
Options: a ) $ 100 , b ) $ 220 , c ) $ 280 , d ) $ 300 , e ) $ 360
Output (English): a