Two hockey players compete on the ice.
There are two hockey players.
the two hockey players are competing on ice
exists e1 x1 x2 x3.(n_ice(x3) & on(e1,x3) & Actor(e1,x1) & v_compete(e1) & n_player(x1) & of(x1,x2) & n_hockey(x2) & card_eq_2(x1))
exists p1 x1 s1 x2.((x1 = x2) & n_player(x2) & a_hockey(s1) & Theme(s1,x2) & card_eq_2(x2))