A woman talks to a young girl over a counter.
A man is falling down stairs.
If a woman talks to a young girl, it is not a man falling down stairs.
exists s1 x1 x2 x3 x4.(a_topic(x1) & to(x1,x3) & over(x3,x4) & n_counter(x4) & n_girl(x3) & a_young(s1) & Theme(s1,x3) & n_talk(x1) & of(x1,x2) & n_woman(x2))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_stair(x2) & n_man(x1))