Three male children play flag football on a grassy area by a body of water.
The children are at a park with grass and a pond.
Not all children are at a park.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(by(e1,x5) & of(x5,x6) & n_water(x6) & n_body(x5) & on(e1,x4) & n_area(x4) & a_grassy(s2) & Theme(s2,x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_football(x2) & of(x2,x3) & n_flag(x3) & n_child(x1) & a_male(s1) & Theme(s1,x1) & card_eq_3(x1))
exists p1 x1.(n_child(x1) & exists x2 x3 x4 x5.(at(x1,x2) & with(x2,x3) & subset_of(x5,x3) & n_pond(x5) & subset_of(x4,x3) & n_grass(x4) & n_park(x2)))