People crossing a city street.
People driving by the building.
crossing and driving are two different actions
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_cross(e1) & n_street(x3) & of(x3,x4) & n_city(x4) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3.(n_building(x3) & a_topic(x1) & by(e1,x3) & Actor(e1,x2) & v_drive(e1) & (x1 = x2) & n_people(x1))