A white dog is in the water.
a dog fell in the water
A dog in the water does not mean the dog fell in the water.
exists p1 s1 x1 x2.(n_water(x2) & in(x1,x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_dog(x1))