Two children swing around in a tire swing at a park.
The children are swinging over grass.
the tire swing could be over water not just grass.
exists e1 s1 x1 x2 x3 x4.(a_around(s1) & Manner(e1,s1) & in(e1,x2) & at(x2,x4) & n_park(x4) & n_swing(x2) & of(x2,x3) & n_tire(x3) & Actor(e1,x1) & v_swing(e1) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_child(x1) & over(e1,x2) & n_grass(x2) & Actor(e1,x1) & v_swing(e1))