A group of young men and women walk down a busy street.
The group of people are walking.
walk down implies they are walking.
exists e1 s1 s2 x1 x2 x3 x4 x5.(down(e1,x5) & n_street(x5) & a_busy(s2) & Theme(s2,x5) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_woman(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(n_group(x1) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2))