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 ":".
Åre
Östersund
Airport
and
Trondheim
Airport
,
Værnes
,
are
the
closest
international
airports
.
Åre:building-airport
Östersund:building-airport
Airport:building-airport
and:O
Trondheim:building-airport
Airport:building-airport
,:O
Værnes:location-GPE
,:O
are:O
the:O
closest:O
international:O
airports:O
.:O