With no explanation, label each line with "product-airplane", "O", "building-hospital", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
As
they
initially
lacked
an
air
operator
's
certificate
,
their
operation
with
a
Messerschmitt-Bölkow-Blohm
Bo
105
from
Lørenskog
Heliport
,
Central
Hospital
was
subcontracted
to
Mørefly
.
As:O
they:O
initially:O
lacked:O
an:O
air:O
operator:O
's:O
certificate:O
,:O
their:O
operation:O
with:O
a:O
Messerschmitt-Bölkow-Blohm:product-airplane
Bo:product-airplane
105:product-airplane
from:O
Lørenskog:building-airport
Heliport:building-airport
,:O
Central:building-hospital
Hospital:building-hospital
was:O
subcontracted:O
to:O
Mørefly:O
.:O