A woman holding a dog on a leash.
A woman walks her dog in the park.
A woman holding a dog on a leash does not imply  walks her dog in the park.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_leash(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_dog(x3) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_park(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x2) & of(x2,x1) & n_female(x1) & n_woman(x1))