A city street is being cleaned by a man in a green vehicle.
The man works for the city and operates the street cleaning truck.
Green vehicle does not imply using a street cleaning truck.
exists e1 s1 x1 x2 x3 x4.(Actor(e1,x3) & in(x3,x4) & n_vehicle(x4) & a_green(s1) & Theme(s1,x4) & n_man(x3) & Theme(e1,x1) & v_clean(e1) & n_street(x1) & of(x1,x2) & n_city(x2))
exists e2 e1 x1 x2 x3 x4 x5.(n_truck(x3) & of(x3,x5) & n_cleaning(x5) & of(x3,x4) & n_street(x4) & n_man(x1) & n_city(x2) & Theme(e2,x3) & Actor(e2,x1) & v_operate(e2) & for(e1,x2) & Actor(e1,x1) & v_work(e1))