Negatives also need to be punished, but you don't know who the negative is.
Do you know?
According to my calculations, it's Lynx, Crabby, Nebo/Mass, and someone fourth.
Maybe it's Nebo and Mass, that's why they don't defend each other.
Ah, or maybe it's Nefela, she even gave herself away in the message above ┐( ̄ヘ ̄)┌