If they come back tonight we let them have it, burn it, and wonder what ghosts had cut them so hard.
We will fight them if they attempt to return. We can't let them take what is ours. 
mnli hypothesis: We will fight them if they attempt to return. We can't let them take what is ours.  premise: If they come back tonight we let them have it, burn it, and wonder what ghosts had cut them so hard.