A group of young men and women walk down a busy street.
The men and women are talking as they walk down the street.
Walking down a street does not imply they are talking.
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 e2 e1 x1 x2 x3 x4 x5.(n_street(x5) & n_thing(x2) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & as(e1,x2) & down(e2,x5) & Actor(e2,x4) & v_walk(e2) & (x2 = x4) & Actor(e1,x1) & v_talk(e1))