Two young children, one wearing a blue shirt and something on their head climbing a tree standing in front of a body of water.
The children are brother and sister.
Two young children, are not related as brother and sister
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(in(e2,x8) & of(x8,x9) & of(x9,x10) & n_water(x10) & n_body(x9) & n_front(x8) & Theme(e2,x6) & Actor(e2,x4) & v_climb(e2) & n_standing(x6) & of(x6,x7) & n_tree(x7) & on(x4,x5) & n_head(x5) & of(x5,x1) & n_thing(x1) & n_thing(x4) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_shirt(x3) & a_blue(s2) & Theme(s2,x3) & rel(x1,x2) & n_thing(x2) & card_eq_1(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(n_child(x1) & exists x2 x3 x4.((x1 = x2) & subset_of(x4,x2) & n_sister(x4) & subset_of(x3,x2) & n_brother(x3)))