Two horses are neck to neck at a race.
It is unclear which horse will win this race!
Neck to neck does not necessarily mean unclear.
exists s1 x1 x2 x3.(at(s1,x3) & n_race(x3) & to(s1,x2) & n_neck(x2) & Theme(s1,x1) & a_neck(s1) & n_horse(x1) & card_eq_2(x1))
exists s1 x1 x3.(n_race(x3) & n_thing(x1) & exists e1 x2.(n_horse(x2) & Topic(s1,e1) & Theme(e1,x3) & Actor(e1,x2) & v_win(e1)) & Theme(s1,x1) & a_unclear(s1))