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 ":".
A
study
showed
that
in
1880
only
.4
percent
of
space
in
the
newspaper
was
dedicated
to
sports
.
A:O
study:O
showed:O
that:O
in:O
1880:O
only:O
.4:O
percent:O
of:O
space:O
in:O
the:O
newspaper:O
was:O
dedicated:O
to:O
sports:O
.:O