A basketball team plays in an arena filled with spectators.
The arena is empty.
An empty arena is not filled with spectators.
exists e2 e1 x1 x2 x3 x4 x5.(in(e1,x3) & with(e2,x5) & n_spectator(x5) & Theme(e2,x4) & v_fill(e2) & (x3 = x4) & n_arena(x3) & Actor(e1,x1) & v_play(e1) & n_team(x1) & of(x1,x2) & n_basketball(x2))
exists s1 x1.(n_arena(x1) & Theme(s1,x1) & a_empty(s1))