With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Gaston
Tong
Sang
was
removed
from
office
and
his
government
fell
after
a
vote
of
no
confidence
on
August
31
,
2007
.
Gaston:person-politician
Tong:person-politician
Sang:person-politician
was:O
removed:O
from:O
office:O
and:O
his:O
government:O
fell:O
after:O
a:O
vote:O
of:O
no:O
confidence:O
on:O
August:O
31:O
,:O
2007:O
.:O