A wet dog, playing with a toy in the water.
The dog is playing with a snake toy.
Not all toys are a snake toy.
exists e1 s1 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & with(e1,x3) & in(x3,x4) & n_toy(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & a_wet(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_dog(x1) & with(e1,x2) & n_toy(x2) & of(x2,x3) & n_snake(x3) & Actor(e1,x1) & v_play(e1))