The man in the gray top is walking down the steps, and the man in the orange shirt is standing by the railroad tracks.
a kitten sleeps
A man walking and a man standing have nothing to do with a kitten sleeps.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_track(x6) & of(x6,x7) & n_railroad(x7) & n_shirt(x4) & of(x4,x5) & n_orange(x5) & n_man(x1) & n_man(x1) & n_step(x3) & n_top(x2) & a_gray(s1) & Theme(s1,x2) & by(e2,x6) & Actor(e2,x1) & v_stand(e2) & in(x1,x4) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & in(x1,x2))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_kitten(x1))