Three hockey players are engaged in a game.
They play for a professional team.
There is nothing to indicate that the hockey players play for a professional team.
exists e1 x1 x2 x3.(in(e1,x3) & n_game(x3) & Theme(e1,x1) & v_engage(e1) & n_player(x1) & of(x1,x2) & n_hockey(x2) & card_eq_3(x1))
exists e1 s1 x1.(for(e1,x1) & n_team(x1) & a_professional(s1) & Theme(s1,x1) & Actor(e1,x1) & v_play(e1) & n_thing(x1))