The dog stands in the sand near the ocean.
The dog lays in the water.
A dog cannot stand in the sand and lay  in the water simultaneously. .
exists e1 x1 x2 x3.(n_ocean(x3) & n_sand(x2) & n_dog(x1) & in(e1,x2) & near(x2,x3) & Actor(e1,x1) & v_stand(e1))
exists e1 x1 x2.(n_water(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_lay(e1))