Ment
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Well, regarding Medj and Master, there are two possible scenarios, one much more likely than the other, but still.
Man used block + blocked with research, that's clear. Research blocked Medj, that's also clear. Considering the order of night actions, and assuming that Man and Mafia should behave as rationally as possible (Mafia didn't seem to have any reason to self-block, and Man has no reason to not kill if he could).
We come to the conclusion that Medj and Master should be trusted for now.
I think it's time to reread the thread and create a table...