With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Royal
Hong
Kong
Auxiliary
Air
Force
(
RHKAAF
)
was
an
auxiliary
unit
of
the
U
nited
Kingdom
Royal
Air
Force
,
based
in
Hong
Kong
.
The:O
Royal:organization-other
Hong:organization-other
Kong:organization-other
Auxiliary:organization-other
Air:organization-other
Force:organization-other
(:O
RHKAAF:organization-other
):O
was:O
an:O
auxiliary:O
unit:O
of:O
the:O
U:O
nited:organization-other
Kingdom:organization-other
Royal:organization-other
Air:organization-other
Force:organization-other
,:O
based:O
in:O
Hong:location-GPE
Kong:location-GPE
.:O