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 ":".
An
additional
four
players
qualified
through
winning
the
regional
finals
held
towards
the
end
of
the
year
.
An:O
additional:O
four:O
players:O
qualified:O
through:O
winning:O
the:O
regional:O
finals:O
held:O
towards:O
the:O
end:O
of:O
the:O
year:O
.:O