Men and women walking down a sidewalk.
People heading to work in the morning in a city.
Because men and women walking down a sidewalk doesn't necessarily make it a morning.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x4) & Actor(e1,x3) & v_walk(e1) & n_sidewalk(x4) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(n_morning(x4) & a_topic(x1) & Topic(e1,p1) & exists e2 x5.(in(e2,x5) & n_city(x5) & in(e2,x4) & Actor(e2,x2) & v_work(e2)) & Actor(e1,x3) & v_head(e1) & (x1 = x3) & (x1 = x2) & n_people(x1))