The dog runs across the green lush grass.
A dog is running in grass.
runs and running are the same.
exists e1 s1 s2 x1 x2.(n_grass(x2) & a_lush(s2) & Theme(s2,x2) & a_green(s1) & Theme(s1,x2) & n_dog(x1) & across(e1,x2) & Actor(e1,x1) & v_run(e1))
exists e1 x1 x2.(in(e1,x2) & n_grass(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))