Three baseball players either playing a game or at a practice with one observer behind them.
The team is playing in the world series.
Playing a game or at practice doesn't specifically imply that the players are playing in the world series.
(exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_either(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_game(x4) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_baseball(x2) & card_eq_3(x1)) | exists x5 x6 x7 x8.(a_topic(x5) & at(x5,x7) & with(x7,x8) & behind(x8,x5) & n_thing(x5) & n_observer(x8) & card_eq_1(x8) & n_practice(x7) & n_player(x5) & of(x5,x6) & n_baseball(x6) & card_eq_3(x5)))
exists e1 x1 x2 x3.(n_series(x2) & of(x2,x3) & n_world(x3) & n_team(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))