two women working on a yarn machine.
Two women in a sweater factory repair a yarn machine.
repair a yarn machine is not the same as working on a yarn machine and in a sweater factory could be anywhere
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 x1.(all x3 x2.((n_machine(x2) & of(x2,x3) & n_yarn(x3)) -> exists x4 x5 x6.(a_topic(x1) & in(x1,x4) & for(x4,x2) & n_repair(x4) & of(x4,x6) & n_factory(x6) & of(x4,x5) & n_sweater(x5))) & n_woman(x1) & card_eq_2(x1))