Children posing in a tree
There are siblings in a pine tree.
Children playing together does not imply they are siblings.
exists e1 x1 x2.(ne_nam_children(x1) & in(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_pose(e1))
exists p1 x1 x2 x3.(in(p1,x2) & n_tree(x2) & of(x2,x3) & n_pine(x3) & exists x4.((x1 = x4) & n_sibling(x4)))