Two adults are working on a piece of wood
two people working with wood for work
just because they are using the wood does not mean it is for work.
exists e1 x1 x2 x3.(on(e1,x2) & of(x2,x3) & n_wood(x3) & n_piece(x2) & Actor(e1,x1) & v_work(e1) & n_adult(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & for(x3,x4) & n_work(x4) & n_wood(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))