A child with ice cream on his face.
The child is happy.
The fact that a child has ice cream on his face doesn't imply child is happy.
exists x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & on(x2,x4) & n_face(x4) & of(x4,x1) & n_male(x1) & n_cream(x2) & of(x2,x3) & n_ice(x3) & n_child(x1))
exists s1 x1.(n_child(x1) & Theme(s1,x1) & a_happy(s1))