Two young women sitting on a doorstep.
Two old women are sitting on the doorstep.
The women have to be either old or young, not both
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_doorstep(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_doorstep(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1) & a_old(s1) & Theme(s1,x1) & card_eq_2(x1))