Gentleman standing on a sidewalk looking at a building.
They are standing while gazing at the establishment.
Looking at building and gazing at establishment, is the same thing.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x3) & at(e1,x5) & n_building(x5) & Actor(e1,x4) & v_look(e1) & (x3 = x4) & n_sidewalk(x3) & n_standing(x1) & (x1 = x2) & ne_nam_gentleman(x2))
exists e2 e1 x1 x2.(n_establishment(x2) & n_thing(x1) & while(e1,e2) & at(e2,x2) & Actor(e2,x1) & v_gaze(e2) & Actor(e1,x1) & v_stand(e1))