With no explanation, label each line with "location-GPE", "O", "event-disaster", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
flooding
caused
by
Lucille
was
also
considered
the
worst
ever
in
the
country
by
some
until
September
2009
when
Typhoon
Ketsana
devastated
Manila
.
The:O
flooding:O
caused:O
by:O
Lucille:event-disaster
was:O
also:O
considered:O
the:O
worst:O
ever:O
in:O
the:O
country:O
by:O
some:O
until:O
September:O
2009:O
when:O
Typhoon:event-disaster
Ketsana:event-disaster
devastated:O
Manila:location-GPE
.:O