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
``
is
a
treasure
trove
of
bizarre
finds
.
''
It:O
``:O
is:O
a:O
treasure:O
trove:O
of:O
bizarre:O
finds:O
.:O
'':O