With no explanation, label each line with "art-writtenart", "location-GPE", "O", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "building-hospital" preceded by ":".
He
was
primarily
stationed
at
Biggs
Army
Airfield
in
El
Paso
,
where
he
was
a
propeller
mechanic
,
attaining
the
rank
of
staff
sergeant
,
which
he
would
later
portray
in
his
book
``
Fort
Bliss
:
An
Illustrated
History
``
.
He:O
was:O
primarily:O
stationed:O
at:O
Biggs:building-airport
Army:building-airport
Airfield:building-airport
in:O
El:location-GPE
Paso:location-GPE
,:O
where:O
he:O
was:O
a:O
propeller:O
mechanic:O
,:O
attaining:O
the:O
rank:O
of:O
staff:O
sergeant:O
,:O
which:O
he:O
would:O
later:O
portray:O
in:O
his:O
book:O
``:O
Fort:art-writtenart
Bliss:art-writtenart
::art-writtenart
An:art-writtenart
Illustrated:art-writtenart
History:art-writtenart
``:O
.:O