A black dog is holding an orange toy in its mouth in the water.
A dog is holding a toy.
A dog could be black.  A toy could be orange.
exists e1 s1 x1 x2 x3 x4 x5.(n_water(x5) & in(e1,x5) & in(e1,x4) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_toy(x2) & of(x2,x3) & n_orange(x3) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_toy(x2) & n_dog(x1))