An old man is walking with his head down.
The man walked with his head down.
Man walking with his head down can also be a old man.
exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & with(e1,x2) & n_head(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_head(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_down(s1) & Manner(e1,s1) & with(e1,x2) & Actor(e1,x1) & v_walk(e1))