Two dogs run on the grass.
The two dogs are chasing a man.
Run on the grass does not imply chasing a man.
exists e1 x1 x2.(n_grass(x2) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_dog(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_man(x2))