An Asian policeman standing in the doorway of a shop.
A policeman is arresting someone.
not every policeman is asian
exists s1 x1 x2 x3 x4.(n_doorway(x3) & a_topic(x1) & in(x1,x3) & of(x3,x4) & n_shop(x4) & n_standing(x1) & of(x1,x2) & n_policeman(x2) & a_asian(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_arrest(e1) & n_person(x2) & n_policeman(x1))