With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
swamp
was
renovated
in
1994
by
Phitsanulok
Provincial
Administration
Organization
,
and
is
now
a
popular
tourist
attraction
.
The:O
swamp:O
was:O
renovated:O
in:O
1994:O
by:O
Phitsanulok:organization-government/governmentagency
Provincial:organization-government/governmentagency
Administration:organization-government/governmentagency
Organization:organization-government/governmentagency
,:O
and:O
is:O
now:O
a:O
popular:O
tourist:O
attraction:O
.:O