Because I was confident from what I made of the write-ups that it had to be a Town RB. No one had claimed that yet, so I presumed Rohit to be the one. Why don't you get that? 
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Plus, what else could have possibly led to null night kills if there wasn't a town RB? How was I wrong in my assumption?

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Plus, what else could have possibly led to null night kills if there wasn't a town RB? How was I wrong in my assumption?