A beagle stands in the sand and grass.
A beagle is standing in sand.
A beagle is outside and there is sand outside, and now he is standing in the sand.
exists e1 x1 x2 x3 x4.(n_grass(x4) & n_sand(x3) & subset_of(x4,x2) & subset_of(x3,x2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_beagle(x1))
exists e1 x1 x2.(in(e1,x2) & n_sand(x2) & Actor(e1,x1) & v_stand(e1) & n_beagle(x1))