A city street is illuminated by lamps at night.
Lamps light the street.
illuminated means light.
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_night(x4) & Actor(e1,x3) & n_lamp(x3) & Theme(e1,x1) & v_illuminate(e1) & n_street(x1) & of(x1,x2) & n_city(x2))
exists x1 x2 x3.(a_topic(x1) & n_street(x3) & (x1 = x3) & n_light(x1) & (x1 = x2) & ne_nam_lamps(x2))