The Limits of Smell in a Field

Is there a bunch of sort of primary smells that you can mix together to make any aroma? And I don't think that's the case. So what would happen if you were in one minute walking through a beautiful field with lovely flowers and cut grass and all of that? And the next one, you're in call of duty shooting things and you want all the smokiness, let alone the unpleasant smells of a battlefield. How is it possible to actually do that? The research paper is a bit, it does admit that it is a little restrictive on what it can do at the moment. It could probably do, you know, vertically infinite permutations with what it's got,. Whether