Two people play on the beach.
the dog ate pizza
A dog is not people.
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_people(x1) & card_eq_2(x1))
exists x1 x2 x3.(n_pizza(x1) & of(x1,x3) & n_ate(x3) & of(x1,x2) & n_dog(x2) & a_topic(x1))