This approach works very well, as far as I can tell so far: https://practal.com/press/aflap/1/ https://practal.com/press/aflap/1/ (mainly starting at "Syntacti

This approach works very well, as far as I can tell so far: https://practal.com/press/aflap/1/ https://practal.com/press/aflap/1/ (mainly starting at "Syntactic Categories") I got it right only after finishing the draft of the article, so you need to make it somehow until "Post Scriptum" for the right method.