Four hockey players and a referee on the ice.
There are 4 hockey players and a referee having a conversation during a hockey game.
The referee and hockey players may not be having a conversation during a hockey game.
exists s1 x1 x2 x3 x4.(n_ice(x4) & a_topic(s1) & subset_of(x3,s1) & on(x3,x4) & n_referee(x3) & subset_of(x1,s1) & n_player(x1) & of(x1,x2) & n_hockey(x2) & card_eq_4(x1))
exists p1 x1 e1 s1 x2 x3 x4 x5 x6 x7 x8.((x1 = x2) & subset_of(x4,x2) & during(e1,x7) & n_game(x7) & of(x7,x8) & n_hockey(x8) & Theme(e1,x6) & Actor(e1,x5) & v_have(e1) & n_conversation(x6) & (x4 = x5) & n_referee(x4) & subset_of(x3,x2) & n_player(x3) & a_hockey(s1) & Theme(s1,x3) & n_date(x3) & a_date_day_04(x3) & a_date_day_04(x3))