An officer stands next to cars parked on a street.
the pig eats roaches
Officer and pig are different.
exists e2 e1 x1 x2 x3 x4.(to(e1,x2) & on(e2,x4) & n_street(x4) & Theme(e2,x3) & v_park(e2) & (x2 = x3) & n_car(x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_officer(x1))
exists e1 x1 x2.(n_pig(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_roach(x2))