So this is the number of possibilities. And then we just have to think, what fraction of those possibilities meet our constraints? And the other way you could have gotten fourteen is just taking nine plus two plus three. So what number of those possibilities meet our constraints? And remember, our constraint is selecting a non-blue marble from the bag. Another way to think about it is a red or a green marble, because the only non-blue ones, the only other two colors we have are red and green. So how many non-blue marbles are there?