Can the Host decide to do it? Yes
Can MF Theme & Characters in it explain it? Yes
Can they be both telling the Truth? Yes
Can one of them be Scum? Yes, also both could be
Sorry but this leads nowhere for now, unless you have a reason to suspect any of them based on their Posts & Activity then i'm prepared to listen & iso their posts, but if you don't, then i have whole Night Phase to check everyone's posts & think well