A man in a jacket is standing in the snow watching.
The mans jacket is blue.
A man in a jacket is not necessarily in a blue jacket.
exists e1 x1 x2 x3 x4.(n_watching(x3) & of(x3,x4) & n_snow(x4) & in(e1,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_jacket(x2) & n_man(x1))
exists s1 x1 x2.(n_jacket(x1) & of(x1,x2) & n_man(x2) & Theme(s1,x1) & a_blue(s1))