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 ":".
However
,
they
returned
to
the
league
during
its
final
season
in
1908-09
.
However:O
,:O
they:O
returned:O
to:O
the:O
league:O
during:O
its:O
final:O
season:O
in:O
1908-09:O
.:O