Two girls lean around a tree, laughing.
Two girls are leaning on a tree.
If girls lean around a tree, then they must be leaning on the tree.
exists e2 e1 x1 x2.(for(e1,e2) & Actor(e2,x1) & v_laugh(e2) & around(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_lean(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_lean(e1) & n_girl(x1) & card_eq_2(x1))