Three women are looking at purses.
Coworkers are shopping on their lunch break.
Women looking at purses aren't necessarily coworkers and aren't necessarily on their lunch break.
exists e1 x1 x2.(at(e1,x2) & n_purse(x2) & Actor(e1,x1) & v_look(e1) & n_woman(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_break(x2) & of(x2,x3) & n_lunch(x3) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_shop(e1) & n_coworker(x1))