A dog is playing with a hose.
A dog is getting wet.
The dog playing with the hose doesn't necessarily mean he is getting wet.
exists e1 x1 x2.(with(e1,x2) & n_hose(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_wet(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_dog(x1))