A walk on the beach after a storm.
The storm washed away all the sand.
The fact that all the sand had been washed away would not leave a beach to walk on.
exists x1 x2 x3.(n_beach(x2) & a_topic(x1) & on(x1,x2) & after(x2,x3) & n_storm(x3) & n_walk(x1))
exists e1 p1 x1 x3.(n_sand(x3) & n_storm(x1) & all x2.((x2 = x3) -> exists s1.(Theme(s1,x2) & a_away(s1))) & Topic(e1,p1) & Actor(e1,x1) & v_wash(e1))