People go by old white walls with gray squares.
Males and females are in proximity of old walls.
males and females are people
exists e1 s1 s2 s3 x1 x2 x3.(by(e1,x2) & with(x2,x3) & n_square(x3) & a_gray(s3) & Theme(s3,x3) & n_wall(x2) & a_white(s2) & Theme(s2,x2) & a_old(s1) & Theme(s1,x2) & Actor(e1,x1) & v_go(e1) & n_people(x1))
exists p1 x1 x2 x3.(exists s1 x4 x5.(in(x1,x4) & of(x4,x5) & n_wall(x5) & a_old(s1) & Theme(s1,x5) & n_proximity(x4)) & subset_of(x3,x1) & n_female(x3) & subset_of(x2,x1) & n_male(x2))