A woman with feathers in her hair.
A group of construction workers work at a site.
A single woman is not a group of people.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_hair(x3) & of(x3,x1) & n_female(x1) & with(x1,x2) & n_feather(x2) & n_woman(x1))
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_site(x4) & Actor(e1,x1) & v_work(e1) & of(x1,x2) & n_worker(x2) & of(x2,x3) & n_construction(x3) & n_group(x1))