This is part of what Dekai was doing. So , when we get to Wu , The - e We 'll see w what he says about that.
Right.
And , then if you  If it isn't there , it 's higher , and if you don't know anything except that it 's a b it 's  it 's a  building , then up at the highest thing , you have the pr what amounts to a prior. If you don't know anything else about a building ,  uh , you just take whatever your crude approximation is up at that level ,
Right.