An exhibit of artistic black and white photos.
Color photos are displayed.
Black and white photos are not in color.
exists s1 s2 s3 x1 x2.(a_topic(x1) & of(x1,x2) & n_photo(x2) & a_white(s3) & Theme(s3,x2) & a_black(s2) & Theme(s2,x2) & a_artistic(s1) & Theme(s1,x2) & n_exhibit(x1))
exists e1 x1 x2.(Theme(e1,x1) & v_display(e1) & n_photo(x1) & (x1 = x2) & ne_nam_color(x2))