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
Queens
Library
did
a
retrospective
of
his
work
,
including
7,689
photographs
,
in
2004
.
The:O
Queens:O
Library:O
did:O
a:O
retrospective:O
of:O
his:O
work:O
,:O
including:O
7,689:O
photographs:O
,:O
in:O
2004:O
.:O