DIRECTION: Yashika has a bag with 8 red marbles, 4 blue marbles, 5 green marbles and 9 yellow marbles all of the same size. What fraction of marbles are not yellow?

• A.  \[\frac{12}{26}\]                      
• B.  \[\frac{17}{26}\]          
• C.  \[\frac{8}{26}\]            
• D.         \[\frac{21}{26}\]