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 ":".
This
was
the
same
missile
that
had
been
in
the
silo
during
the
deadly
fire
at
site
373-4
,
refurbished
and
relocated
after
the
incident
.
This:O
was:O
the:O
same:O
missile:O
that:O
had:O
been:O
in:O
the:O
silo:O
during:O
the:O
deadly:O
fire:O
at:O
site:O
373-4:O
,:O
refurbished:O
and:O
relocated:O
after:O
the:O
incident:O
.:O