two women working on a yarn machine.
Two women are engaged in their hobby.
engaged in their hobby is not the same as working on a yarn machine
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_machine(x3) & of(x3,x4) & n_yarn(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_hobby(x2) & of(x2,x1) & n_thing(x1) & Theme(e1,x1) & v_engage(e1) & n_woman(x1) & card_eq_2(x1))