Two boys are walking up the beach with a bunch of ducks behind them.
the boys in beach there is  ducks
We don't know that they are on the beach.
exists e1 s1 x1 x2 x3 x4.(n_thing(x2) & n_beach(x2) & with(e1,x3) & behind(x3,x2) & of(x3,x4) & n_duck(x4) & n_bunch(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_boy(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_boy(x1) & a_topic(x1) & exists p2 x3 x4.((x3 = x4) & n_duck(x4)) & that(x1,p1) & in(x1,x2) & n_beach(x2))