Three men are walking down a road.
Three men walking.
Three man walking down a road can simply be described as 'Three men walking'.
exists e1 x1 x2.(down(e1,x2) & n_road(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))