With no explanation, label each line with "location-GPE", "O", "organization-religion", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Prior
to
Sikkim
's
becoming
a
part
of
the
Indian
Union
,
Vajrayana
Buddhism
was
the
state
religion
under
the
Chogyal
.
Prior:O
to:O
Sikkim:location-GPE
's:O
becoming:O
a:O
part:O
of:O
the:O
Indian:location-GPE
Union:location-GPE
,:O
Vajrayana:organization-religion
Buddhism:organization-religion
was:O
the:O
state:O
religion:O
under:O
the:O
Chogyal:organization-religion
.:O