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 ":".
He
was
arrested
upon
arrival
at
Stockholm
Arlanda
Airport
on
20
March
2017
and
was
subsequently
turned
over
to
Finnish
authorities
.
He:O
was:O
arrested:O
upon:O
arrival:O
at:O
Stockholm:building-airport
Arlanda:building-airport
Airport:building-airport
on:O
20:O
March:O
2017:O
and:O
was:O
subsequently:O
turned:O
over:O
to:O
Finnish:location-GPE
authorities:O
.:O