

![0_image_0.png](0_image_0.png)

 Q[t;  ] for the outside probability of  w.r.t. Gt , i.e. (Gt;  ) (see (17) and (18))
 R[t;  ; e S] for the explanation probability of e S (2 e DB(
t k)), i.e. PDB( e S j )
