Two workers, in a crane, are repairing a building structure high off the ground.
A man and woman work in a crane.
Two workers does not imply a man and a woman.
exists e1 x1 x2 x3 x4 x5 x6.(n_ground(x6) & Theme(e1,x3) & Actor(e1,x1) & v_repair(e1) & off(x5,x6) & high(x3,x5) & n_thing(x5) & n_structure(x3) & of(x3,x4) & n_building(x4) & in(x1,x2) & n_crane(x2) & n_worker(x1) & card_eq_2(x1))
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_crane(x4) & n_work(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))