I treat 'unless' like the Loophole, and have it mentally grouped ... it (from Powerscore and then Loophole) and it's the fastest ... it, I prefer the way Loophole explains it. I've also ...
Hey! I'm in a similar-ish place. I just started logic games (on spatial games currently) If you haven't done the Loophole, I've found it to be a good supplement for LR studying while I go through the LG section of the CC.
The Logic Loophole book uses examples exactly like that as a point of emphasis. It tries to get you to look for argument structure and see past the content.