With no explanation, label each line with "O", "location-other", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
There
were
20
widows
from
``
Caribou
``
sinking
in
the
Port
aux
Basques
area
.
There:O
were:O
20:O
widows:O
from:O
``:O
Caribou:product-ship
``:O
sinking:O
in:O
the:O
Port:location-other
aux:location-other
Basques:location-other
area:O
.:O