A man and a woman work with a tool on a log.
Two people working on a piece of a tree.
A man and a women are two people.  A log is part of a tree.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & on(x2,x5) & n_log(x5) & with(x2,x4) & n_tool(x4) & n_work(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & of(x3,x4) & n_tree(x4) & n_piece(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))