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 ":".
When
the
original
series
was
brought
to
its
conclusion
in
1979
,
it
reached
a
total
of
72
volumes
.
When:O
the:O
original:O
series:O
was:O
brought:O
to:O
its:O
conclusion:O
in:O
1979:O
,:O
it:O
reached:O
a:O
total:O
of:O
72:O
volumes:O
.:O