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 ":".
It
has
undergone
renovation
several
times
,
including
after
a
fire
in
1995
.
It:O
has:O
undergone:O
renovation:O
several:O
times:O
,:O
including:O
after:O
a:O
fire:O
in:O
1995:O
.:O