A dog is running through tall grass.
A canine is playing outdoors.
A dog and canine are synonyms. The tall grass implies that the dog is outdoors.
exists e1 s1 x1 x2.(through(e1,x2) & n_grass(x2) & a_tall(s1) & Theme(s1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outdoors(x2) & n_canine(x1))