TBH we need to lose one of Siavash, Marcus or Freddie.
Coming this close to the final, if all 3 are there they won't win. (the votes will be split for those 3).
If only 2 make the final, chances are they will pick up the fans of the person that went from their trio, and stand a greater chance of winning.
(Not that i want any of those 3 to win).