a dog runs across the grass.
The animals are playing indoors.
Grass is outdoors, not indoors.
exists e1 x1 x2.(n_grass(x2) & across(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1 x2.(n_animal(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_indoor(x2))