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
flew
19,000
miles
from
La
Guardia
Airport
in
New
York
City
to
Léopoldville
in
the
Belgian
Congo
and
back
.
He:O
flew:O
19,000:O
miles:O
from:O
La:building-airport
Guardia:building-airport
Airport:building-airport
in:O
New:location-GPE
York:location-GPE
City:location-GPE
to:O
Léopoldville:location-GPE
in:O
the:O
Belgian:location-GPE
Congo:location-GPE
and:O
back:O
.:O