A couple eating in a restaurant.
the woman ordered drinks alone
They refer to both a couple eating and a woman ordering drinks alone.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_restaurant(x3) & n_eating(x1) & of(x1,x2) & n_couple(x2))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_order(e1) & r_alone(x2) & n_drink(x2))