With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
chief
of
Air
Force
Reserve
,
he
served
as
the
principal
adviser
on
Reserve
matters
to
the
Air
Force
Chief
of
Staff
.
As:O
chief:O
of:O
Air:organization-other
Force:organization-other
Reserve:organization-other
,:O
he:O
served:O
as:O
the:O
principal:O
adviser:O
on:O
Reserve:O
matters:O
to:O
the:O
Air:O
Force:O
Chief:O
of:O
Staff:O
.:O