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 ":".
The
second
festival
,
held
in
April
2003
due
to
its
growth
,
attracted
even
more
attention
.
The:O
second:O
festival:O
,:O
held:O
in:O
April:O
2003:O
due:O
to:O
its:O
growth:O
,:O
attracted:O
even:O
more:O
attention:O
.:O