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Shaman: Here's a clear argument for you: right now, there are 11 of us, including 4 Mafia, 1 Troll, and 6 Townspeople. If we hang the Troll tonight, we lose one Townsperson, and in the morning, there will be 4 Mafia against 5 Townspeople. The Mafia has a night action – stealing a vote. As a result, the next day, we won't be able to hang a Mafia member, even if we all agree. Then, the Townspeople will be eliminated one by one, and we'll lose.
Instead, let's hang a Townsperson tonight. We lose one Townsperson and one Mafia member. In the morning, we'll have 4 of us against 3. Our chances remain. If we hang a Mafia member, we have a chance of winning.
Snowman is Mafia, not because of any slip-ups, but primarily because, as soon as the interrogation results made it clear that Yashchur is either a Troll or a Townsperson (Mafia is 100% ruled out), he continuously demands that Yashchur be hanged, telling horror stories about what awaits the Townspeople if they ally with a Troll. I don't believe he's that stupid; therefore, this is a malicious intent. Consequently, Snowman = Mafia, 100%! Notice, I'm not stating with the same certainty that the Mafia are you or Heroist (although his behavior is very similar to a familiar player who, when playing as Mafia, also liked to troll everyone to distract from the game) or Hex. But I am certain that Snowman is Mafia.
If you ignore this argument now, it means you are Mafia