Large dog rolling on its back in green grass.
The animal is outdoors.
The dog rolling outdoor  on its back in green grass
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & in(x3,x4) & n_grass(x4) & a_green(s2) & Theme(s2,x4) & n_back(x3) & of(x3,x1) & n_thing(x1) & n_rolling(x1) & of(x1,x2) & n_dog(x2) & a_large(s1) & Theme(s1,x1))
exists p1 x1.(n_animal(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))