A black dog lying on its back in green grass.
A dog is at the park.
Just because the dog is lying on green grass does not mean that they are at the park.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_grass(x4) & a_green(s2) & Theme(s2,x4) & on(e1,x3) & n_back(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_lie(e1) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_park(x2) & at(x1,x2) & n_dog(x1))