a dog running in a park with a rubber chicken in its mouth.
Some dogs are running to eat.
Not all dog running in a park with a rubber chicken in its mouth is running to eat.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & n_mouth(x6) & of(x6,x1) & n_thing(x1) & with(e1,x4) & n_chicken(x4) & of(x4,x5) & n_rubber(x5) & in(e1,x3) & n_park(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_eat(e2)) & Actor(e1,x2) & v_run(e1) & n_dog(x2) & n_dog(x1))