With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
official
was
published
by
the
Minor
Planet
Center
in
January
1953
(
)
.
The:O
official:O
was:O
published:O
by:O
the:O
Minor:organization-other
Planet:organization-other
Center:organization-other
in:O
January:O
1953:O
(:O
):O
.:O