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 ":".
However
,
they
may
renew
their
visas
without
departing
from
Hong
Kong
.
However:O
,:O
they:O
may:O
renew:O
their:O
visas:O
without:O
departing:O
from:O
Hong:location-GPE
Kong:location-GPE
.:O