Black dog on grass, sniffing the ground.
A dog is on the grass.
The dog is black, and grass is on the ground.
exists e1 s1 x1 x2 x3 x4.(n_ground(x4) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_sniff(e1) & (x1 = x3) & on(x1,x2) & n_grass(x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_grass(x2) & on(x1,x2) & n_dog(x1))