A wet white dog is splashing in the water with a stick in its mouth.
The white dog retreived the stick from the bottom of a lake.
Just because the dog is in the water with a stick in its mouth doesn't mean that the dog retreived the stick from the bottom of a lake.
exists e1 s1 s2 x1 x2 x3 x4.(n_water(x3) & n_mouth(x4) & of(x4,x3) & n_thing(x3) & in(e1,x3) & with(e1,x2) & in(x2,x4) & n_stick(x2) & Actor(e1,x1) & v_splash(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_wet(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4.(n_bottom(x3) & n_stick(x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1) & from(e1,x3) & of(x3,x4) & n_lake(x4) & Theme(e1,x2) & Actor(e1,x1) & v_retreive(e1))