A driver is operating a street car.
the street car can fly
A driver does not operate vehicles that fly.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_car(x2) & of(x2,x3) & n_street(x3) & n_driver(x1))
exists e1 p1 x1 x2.(n_car(x1) & of(x1,x2) & n_street(x2) & exists e2.(Actor(e2,x1) & v_fly(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))