Two women wait for a bus.
women at work
If the women are at work, then they don't need to wait for a bus.
exists e1 x1 x2.(for(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_wait(e1) & n_woman(x1) & card_eq_2(x1))
exists x1 x2.(a_topic(x1) & at(x1,x2) & n_work(x2) & n_woman(x1))