With no explanation, label each line with "organization-media/newspaper", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Before
the
official
announcement
in
a
casual
conversation
,
he
told
about
the
bomb
to
an
American
politician
,
and
this
information
was
published
on
September
8
,
1961
in
the
``
New
York
Times
.
''
Before:O
the:O
official:O
announcement:O
in:O
a:O
casual:O
conversation:O
,:O
he:O
told:O
about:O
the:O
bomb:O
to:O
an:O
American:location-GPE
politician:O
,:O
and:O
this:O
information:O
was:O
published:O
on:O
September:O
8:O
,:O
1961:O
in:O
the:O
``:O
New:organization-media/newspaper
York:organization-media/newspaper
Times:organization-media/newspaper
.:O
'':O