Two opposing hockey players prepare for a face off.
The two hockey players are opponents.
Since the two hockey players are opponents only, they are preparing for a face off.
exists e1 s1 s2 x1 x2 x3.(a_off(s2) & Manner(e1,s2) & for(e1,x3) & n_face(x3) & Actor(e1,x1) & v_prepare(e1) & n_player(x1) & of(x1,x2) & n_hockey(x2) & a_opposing(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1 x2.(n_player(x1) & of(x1,x2) & n_hockey(x2) & card_eq_2(x1) & exists x3.((x1 = x3) & n_opponent(x3)))