We've done a reasonably good job of trying to deconvert back to an owner-occupied setting.
Some older adherents of Kaharingan reportedly deconvert from the traditional faith to Christianity for fear that their offspring will not conduct proper mortuary rituals on their behalf when it becomes necessary.
To generate the MA corresponding to a UNL graph, generate an “extended instance” of the UNL graph for each possible variant in that language, deconvert these UNL graphs, then continue as with normal translation.