A man in a purple jacket has an expression on his face.
The man has no face.
one man has an expression on his face while the other man has no face
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_have(e1) & on(x4,x5) & n_face(x5) & of(x5,x1) & n_male(x1) & n_expression(x4) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_purple(x3) & n_man(x1))
exists x1.(n_man(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_face(x2)))