A dog in some water enclosed by rocky ledge.
The dog is trapped in a cove filled with water.
We don't know the dog is trapped just because he is in some water. We can't know the rocky ledge is a cove without it being defined in more detail as such.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Actor(e1,x4) & n_ledge(x4) & a_rocky(s1) & Theme(s1,x4) & Theme(e1,x3) & v_enclose(e1) & (x2 = x3) & n_water(x2) & n_dog(x1))
exists e1 e2 x1 x2 x3 x4.(n_dog(x1) & in(e1,x2) & with(e2,x4) & n_water(x4) & Theme(e2,x3) & v_fill(e2) & (x2 = x3) & n_cove(x2) & Theme(e1,x1) & v_trap(e1))