With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
kingdom
was
at
this
time
a
Siamese
vassal
,
who
feared
French
plans
of
annexing
of
Luang
Phrabang
.
The:O
kingdom:O
was:O
at:O
this:O
time:O
a:O
Siamese:location-GPE
vassal:O
,:O
who:O
feared:O
French:location-GPE
plans:O
of:O
annexing:O
of:O
Luang:location-GPE
Phrabang:location-GPE
.:O