With no explanation, label each line with "O", "organization-company", "location-bodiesofwater", "organization-other", "location-GPE", "person-artist/author", "art-writtenart", "product-ship", "art-broadcastprogram" or "art-film" preceded by ":".
The
Grey
Seas
Under
is
a
non-fiction
book
by
Canadian
author
Farley
Mowat
about
the
Atlantic
Salvage
Tug
``
Foundation
Franklin
``
,
operated
by
the
firm
Foundation
Maritime
in
Canada
's
Maritime
provinces
from
1930
to
1948
.
The:O
Grey:art-writtenart
Seas:art-writtenart
Under:art-writtenart
is:O
a:O
non-fiction:O
book:O
by:O
Canadian:location-GPE
author:O
Farley:person-artist/author
Mowat:person-artist/author
about:O
the:O
Atlantic:location-bodiesofwater
Salvage:product-ship
Tug:product-ship
``:O
Foundation:organization-other
Franklin:organization-other
``:O
,:O
operated:O
by:O
the:O
firm:O
Foundation:organization-company
Maritime:organization-company
in:O
Canada:location-GPE
's:O
Maritime:O
provinces:O
from:O
1930:O
to:O
1948:O
.:O