A man walking by a stop sign.
The man is on the street.
Walking by a stop sign means that the man is on the street.
exists x1 x2 x3 x4.(a_topic(x1) & by(x1,x3) & n_sign(x3) & of(x3,x4) & n_stop(x4) & n_walking(x1) & of(x1,x2) & n_man(x2))
exists p1 x1 x2.(n_street(x2) & n_man(x1) & on(x1,x2))