Women sitting on stairs talking.
Women are lying on a beach and talking.
You can not be sitting on stairs while lying on a beach.
exists e2 e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & Actor(e2,x4) & v_talk(e2) & (x3 = x4) & n_stair(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_woman(x1))
exists e2 e1 x1 x2 x3.(Actor(e2,x3) & v_talking(e2) & n_woman(x3) & on(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_lie(e1) & n_woman(x1))