The other thing is that um every time that 's updated beliefs will have to be propagated but then the question is do you  do we wanna propagate beliefs every single time it 's updated or only when we need to ?
Yeah , that 's a good question. And uh does it have a lazy mode ? I don't remember.
Uh Well , I mean , in Srini 's thing there was this thing  there was this um option like proper inferences which suggests that uh doesn't happen , automatically.
Oh right. Yeah. S probably does. Yeah someone has to track that down , but I  but uh And  and  and I think  actually uh