With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Some
have
been
exported
,
such
as
to
the
Ecuadorian
Air
Force
(
EAF
)
as
a
source
of
spare
parts
.
Some:O
have:O
been:O
exported:O
,:O
such:O
as:O
to:O
the:O
Ecuadorian:organization-company
Air:organization-company
Force:organization-company
(:O
EAF:organization-company
):O
as:O
a:O
source:O
of:O
spare:O
parts:O
.:O