A policeman is standing outside a church.
A woman in uniform is standing outside of a church.
Policeman and woman are different.
exists e1 x1 x2.(outside(e1,x2) & n_church(x2) & Actor(e1,x1) & v_stand(e1) & n_policeman(x1))
exists e1 x1 x2 x3.(of(e1,x3) & n_church(x3) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_uniform(x2) & n_woman(x1))