A woman wearing a p blouse walks up a flight of stairs.
A woman is falling down stairs.
A woman is either walking up a flight or stairs or falling down stairs but not both.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(a_up(s1) & Manner(e2,s1) & Theme(e2,x5) & Actor(e2,x1) & v_walk(e2) & of(x5,x6) & n_stair(x6) & n_flight(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_blouse(x3) & of(x3,x4) & n_p(x4) & (x1 = x2) & n_woman(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_stair(x2) & n_woman(x1))