An officer is standing by an important building
The policeman is outside the important edifice.
Policeman implies officer. Edifice is the equivalent of a building.
exists e1 s1 x1 x2.(by(e1,x2) & n_building(x2) & a_important(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_officer(x1))
exists p1 s1 x1 x2.(n_edifice(x2) & a_important(s1) & Theme(s1,x2) & n_policeman(x1) & outside(x1,x2))