Three workers are working on a metal roof
3 men are working for little pay on a metal roof.
There is nothing to suggest that the workers are men nor that they are working for little pay
exists e1 x1 x2 x3.(on(e1,x2) & n_roof(x2) & of(x2,x3) & n_metal(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & card_eq_3(x1))
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_roof(x3) & of(x3,x4) & n_metal(x4) & for(e1,x2) & n_pay(x2) & a_little(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))