A postal worker smiles, with a brick street background.
A postal worker frowns on the street.
smiles and frown are different actions
exists e1 s1 x1 x2 x3 x4.(with(e1,x2) & n_background(x2) & of(x2,x4) & n_street(x4) & of(x2,x3) & n_brick(x3) & Actor(e1,x1) & v_smile(e1) & n_worker(x1) & a_postal(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(n_street(x3) & a_topic(x1) & on(x1,x3) & n_frown(x1) & of(x1,x2) & n_worker(x2) & a_postal(s1) & Theme(s1,x1))