Two girls play at a park.
Two girls play on the teeter-totter at the park in their sunday dresses
Two girls playing at a park doesn't indicate they are on a teeter-totter
exists e1 x1 x2.(at(e1,x2) & n_park(x2) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(n_dress(x4) & of(x4,x5) & n_sunday(x5) & of(x4,x2) & n_thing(x2) & n_park(x3) & n_teeter-totter(x2) & at(e1,x3) & in(x3,x4) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & card_eq_2(x1))