So, yellow is green when it's with blue and blue is blue when it's blue but not when it's yellow. Yellow is yellow unless it's blue or when it's green which is actually blue and yellow and yellow and green isn't blue. Brown is not blue and brown and green doesn't make blue but blue and brown isn't yellow or green or anything other than brown unless it's a different sort of brown and then it's that brown and not the other brown.

Ah ok, I get it now.