The band is practicing before the championship game.
The team is practicing before the championship game.
It is either the band practicing or the team practicing.
exists e1 x1 x2 x3.(n_game(x2) & of(x2,x3) & n_championship(x3) & n_band(x1) & before(e1,x2) & Actor(e1,x1) & v_practice(e1))
exists e1 x1 x2 x3.(n_game(x2) & of(x2,x3) & n_championship(x3) & n_team(x1) & before(e1,x2) & Actor(e1,x1) & v_practice(e1))