A dog with its mouth open is running.
A dog is drooling while drunning.
Just because a  dog with its mouth open is running doesn't mean the dog is drooling
exists e1 x1 x2 x3.(Actor(e1,x1) & v_run(e1) & with(x1,x2) & n_open(x2) & of(x2,x3) & n_mouth(x3) & of(x2,x1) & n_thing(x1) & n_dog(x1))
exists e1 e2 x1.(while(e1,e2) & Actor(e2,x1) & v_drunn(e2) & Actor(e1,x1) & v_drool(e1) & n_dog(x1))