A black dog with a red collar runs through grass.
The dog is trying to catch a ball.
Not all dogs that run through the grass is trying to catch a ball.
exists e1 s1 s2 x1 x2 x3.(through(e1,x3) & n_grass(x3) & Actor(e1,x1) & v_run(e1) & with(x1,x2) & n_collar(x2) & a_red(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 p1 x1.(n_dog(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_ball(x2)))