Two people walk down a brick sidewalk by a yellow and white building.
People walking on the sidewalk
People walk down a brick sidewalk, so they must be walking on it.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_down(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & by(x2,x4) & n_building(x4) & a_white(s2) & Theme(s2,x4) & a_yellow(s1) & Theme(s1,x4) & n_sidewalk(x2) & of(x2,x3) & n_brick(x3) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_sidewalk(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))