People on a city street window shopping.
People are shopping for Christmas gifts.
People on a city street window shopping does not imply that they are shopping for Christmas gifts.
exists x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & n_shopping(x2) & of(x2,x5) & n_window(x5) & of(x2,x4) & n_street(x4) & of(x2,x3) & n_city(x3) & n_people(x1))
exists e1 x1 x2 x3.(for(e1,x2) & n_gift(x2) & (x2 = x3) & ne_tim_christmas(x3) & Actor(e1,x1) & v_shop(e1) & n_people(x1))