The wood used for the seat portion of the bench is comprised of different colored slats.
The bench is old
Not all benches that have verify in color mean that they are old.
exists e4 e3 e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_slat(x7) & Theme(e4,x7) & v_color(e4) & n_bench(x5) & n_portion(x3) & of(x3,x4) & n_seat(x4) & n_wood(x1) & of(e2,x6) & -(x6 = x7) & n_slat(x6) & Theme(e3,x6) & v_color(e3) & Theme(e2,x1) & v_comprise(e2) & for(e1,x3) & of(x3,x5) & Theme(e1,x2) & v_use(e1) & (x1 = x2))
exists s1 x1.(n_bench(x1) & Theme(s1,x1) & a_old(s1))