With no explanation, label each line with "O", "event-disaster", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
post-analysis
,
the
Japan
Meteorological
Agency
(
JMA
)
downgraded
Talas
from
a
minimal
typhoon
to
a
severe
tropical
storm
.
In:O
post-analysis:O
,:O
the:O
Japan:organization-government/governmentagency
Meteorological:organization-government/governmentagency
Agency:organization-government/governmentagency
(:O
JMA:organization-government/governmentagency
):O
downgraded:O
Talas:event-disaster
from:O
a:O
minimal:O
typhoon:O
to:O
a:O
severe:O
tropical:O
storm:O
.:O