A dog herds a sheep.
The dog chases the rabbit under the bush.
A dog herds sheep is not the same as the dog chases the rabbit.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_herd(e1) & n_sheep(x2) & n_dog(x1))
exists e1 x1 x2 x3.(n_bush(x3) & n_rabbit(x2) & n_dog(x1) & under(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1))