With no explanation, label each line with "location-GPE", "O", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-hospital" preceded by ":".
The
Lhasa
airport
has
direct
air
links
with
Beijing
,
Chengdu
,
Shanghai
,
Guangzhou
,
Chongqing
,
Xi'an
,
and
Kunming
.
The:O
Lhasa:building-airport
airport:building-airport
has:O
direct:O
air:O
links:O
with:O
Beijing:location-GPE
,:O
Chengdu:location-GPE
,:O
Shanghai:location-GPE
,:O
Guangzhou:location-GPE
,:O
Chongqing:location-GPE
,:O
Xi'an:location-GPE
,:O
and:O
Kunming:location-GPE
.:O