With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Following
the
club
's
relegation
,
the
team
's
pre-season
had
been
dominated
by
uncertainty
over
manager
,
owner
and
the
players
.
Following:O
the:O
club:O
's:O
relegation:O
,:O
the:O
team:O
's:O
pre-season:O
had:O
been:O
dominated:O
by:O
uncertainty:O
over:O
manager:O
,:O
owner:O
and:O
the:O
players:O
.:O