A woman is chasing two sheep with a broom.
Nobody has a broom
either a woman has a broom or nobody does
exists e1 x1 x2 x3.(with(e1,x3) & n_broom(x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_sheep(x2) & card_eq_2(x2) & n_woman(x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_broom(x2) & n_person(x1))