Children climb a tree.
Kids climbing.
Children are kids.
all x1.(n_tree(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_climb(x2) & (x2 = x3) & ne_nam_children(x3)))
exists e1 x1.(Actor(e1,x1) & v_climb(e1) & n_kid(x1))