The man in the white shirt is standing in front of the building.
A man in blue stands.
The man is wearing white, he cannot be wearing blue.
exists e1 s1 x1 x2 x3 x4.(n_building(x4) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1) & in(e1,x3) & of(x3,x4) & n_front(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2))
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_stand(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))