A black poodle is playing with the snow.
dog lost leash
A black poodle playing with snow doesn't imply that a dog lost a leash.
exists e1 s1 x1 x2.(n_snow(x2) & with(e1,x2) & Actor(e1,x1) & v_play(e1) & n_poodle(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(Time(e1,x2) & n_leash(x2) & Actor(e1,x1) & v_lose(e1) & n_dog(x1))