With no explanation, label each line with "O", "location-bodiesofwater", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
While
testing
her
guns
in
Hawaiian
waters
25
June
,
an
electrical
failure
caused
the
gun
to
fire
into
``
Hutchins
``
'
stack
,
killing
nine
men
and
wounding
twenty
.
While:O
testing:O
her:O
guns:O
in:O
Hawaiian:location-bodiesofwater
waters:O
25:O
June:O
,:O
an:O
electrical:O
failure:O
caused:O
the:O
gun:O
to:O
fire:O
into:O
``:O
Hutchins:product-ship
``:O
':O
stack:O
,:O
killing:O
nine:O
men:O
and:O
wounding:O
twenty:O
.:O