Well, that's what Wolfrug was telling you.
East not present = activation: east - not present
But for the reason that he might have been telling this
dozens of times to others aswell now, he may have been
thinking, that you should understand this too.
My solution above belonged to your idea in your first
question. It checks, how many soldiers of that group
are still alive. And if the number of alive soldiers has
reached "0", it means that all are no more alive.
~S~ CD