Punk rock teenager walks with a mean look on his face.
The happy teenager had a smile on his face.
The teenager cannot have a smile on his face and a mean look on his face at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(with(e1,x4) & on(x4,x5) & n_face(x5) & of(x5,x1) & n_male(x1) & n_look(x4) & a_mean(s1) & Theme(s1,x4) & Actor(e1,x1) & v_walk(e1) & n_teenager(x1) & of(x1,x3) & n_rock(x3) & (x1 = x2) & ne_nam_punk(x2))
exists e1 s1 x1 x2 x3.(n_face(x3) & of(x3,x1) & n_male(x1) & n_teenager(x1) & a_happy(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & on(x2,x3) & n_smile(x2))