a african-american woman stands in the crowd.
A crowd a people waiting to get into a building.
a african-american woman stands in the crowd does not imply they are waiting to get into a building.
exists s1 x1 x2 x3.(n_crowd(x3) & a_topic(x1) & in(x1,x3) & n_stand(x1) & of(x1,x2) & n_woman(x2) & a_african-american(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(for(e1,x1) & Topic(e1,p1) & Actor(e1,x2) & v_wait(e1) & exists e2 x3.(into(e2,x3) & n_building(x3) & Actor(e2,x2) & v_get(e2)) & n_people(x2) & n_crowd(x1))