Photographer taking pictures of sunset.
Woman photographer taking pictures of sunset.
Not all photographers are a woman.
exists e1 x1 x2 x3.(ne_nam_photographer(x1) & of(e1,x3) & n_sunset(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & of(x4,x5) & n_sunset(x5) & n_picture(x4) & (x1 = x3) & n_photographer(x1) & (x1 = x2) & ne_nam_woman(x2))