Old person walking down the sidewalk next to a white building.
Old person walking in the road.
It cannot be assumed that the old person is walking in the road because it states that he was walking down the sidewalk.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(n_sidewalk(x3) & a_topic(x1) & a_down(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & to(x4,x5) & n_building(x5) & a_white(s2) & Theme(s2,x5) & next(x3,x4) & n_thing(x4) & (x1 = x2) & n_person(x1) & a_old(s1) & Theme(s1,x1))
exists x1 x2 x3 x4.(n_road(x4) & a_topic(x1) & in(x1,x4) & Time(x1,x3) & n_walking(x3) & n_person(x1) & (x1 = x2) & ne_nam_old(x2))