A man in a blue shirt walking in a subway tunnel with advertisements.
A man is walking.
Both subjects are walking
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & in(x2,x4) & with(x4,x6) & n_advertisement(x6) & n_tunnel(x4) & of(x4,x5) & n_subway(x5) & n_walking(x2) & of(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_man(x1))