Three children playing with hay outdoors, throwing some at camera lens.
The children are siblings.
Not all children are siblings.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(at(e2,x5) & n_lens(x5) & of(x5,x6) & n_camera(x6) & Theme(e2,x4) & Actor(e2,x3) & v_throw(e2) & n_thing(x4) & n_child(x3) & card_eq_3(x3) & with(e1,x2) & n_outdoors(x2) & a_hay(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_3(x1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_sibling(x2)))