With no explanation, label each line with "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Prior
to
his
stint
in
Hong
Kah
GRC
,
Ang
represented
Bukit
Gombak
SMC
from
1997
to
2001
where
he
defeated
Ling
How
Doong
from
Singapore
Democratic
Party
and
a
third
candidate
from
the
Singapore
People
's
Party
in
the
1997
general
elections
.
Prior:O
to:O
his:O
stint:O
in:O
Hong:organization-politicalparty
Kah:organization-politicalparty
GRC:organization-politicalparty
,:O
Ang:person-politician
represented:O
Bukit:organization-politicalparty
Gombak:organization-politicalparty
SMC:organization-politicalparty
from:O
1997:O
to:O
2001:O
where:O
he:O
defeated:O
Ling:person-politician
How:person-politician
Doong:person-politician
from:O
Singapore:organization-politicalparty
Democratic:organization-politicalparty
Party:organization-politicalparty
and:O
a:O
third:O
candidate:O
from:O
the:O
Singapore:organization-politicalparty
People:organization-politicalparty
's:organization-politicalparty
Party:organization-politicalparty
in:O
the:O
1997:O
general:O
elections:O
.:O