People on a sidewalk looking into shop windows while other people just keep walking.
People are window shopping.
WHEN YOU WINDOW SHOP YOU ARE LOOKING INTO THE SHOP WINDOWS INSTEAD OF GOING INTO TO GO SHOPPING.
exists e1 p1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & exists e2 s1 x6 x7.(a_just(s1) & Manner(e2,s1) & Theme(e2,x7) & Actor(e2,x6) & v_keep(e2) & n_walking(x7) & -(x6 = x1) & n_people(x6)) & n_people(x1) & n_people(x1) & while(e1,p1) & into(e1,x4) & n_window(x4) & of(x4,x5) & n_shop(x5) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_sidewalk(x2))
exists p1 x1.(exists x2 x3.((x1 = x2) & n_shopping(x2) & of(x2,x3) & n_window(x3)) & n_people(x1))