With no explanation, label each line with "organization-other", "product-airplane", "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
It
operated
Martlets
from
escort
aircraft
carriers
,
flying
from
HMS
``
Battler
''
and
HMS
``
Archer
''
,
disbanding
in
August
1943
when
it
merged
into
819
Naval
Air
Squadron
.
It:O
operated:O
Martlets:product-airplane
from:O
escort:O
aircraft:O
carriers:O
,:O
flying:O
from:O
HMS:product-ship
``:product-ship
Battler:product-ship
'':product-ship
and:O
HMS:product-ship
``:product-ship
Archer:product-ship
'':product-ship
,:O
disbanding:O
in:O
August:O
1943:O
when:O
it:O
merged:O
into:O
819:organization-other
Naval:organization-other
Air:organization-other
Squadron:organization-other
.:O