A black and white dog runs over the green grass.
the dog is chasing his owner
Just because the dog is running doesn't t mean he is chasing his owner.
exists e1 s1 s2 s3 x1 x2.(n_grass(x2) & a_green(s3) & Theme(s3,x2) & over(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_owner(x2) & of(x2,x1) & n_male(x1) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1))