With no explanation, label each line with "O", "organization-other", "location-GPE", "event-attack/battle/war/militaryconflict", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
German
submarine
``
U-2513
''
was
a
Type
XXI
U-boat
of
Nazi
Germany
's
``
Kriegsmarine
``
,
that
was
operated
by
the
United
States
Navy
for
several
years
after
World
War
II
.
German:product-ship
submarine:product-ship
``:product-ship
U-2513:product-ship
'':product-ship
was:O
a:O
Type:product-ship
XXI:product-ship
U-boat:product-ship
of:O
Nazi:location-GPE
Germany:location-GPE
's:O
``:O
Kriegsmarine:product-ship
``:O
,:O
that:O
was:O
operated:O
by:O
the:O
United:organization-other
States:organization-other
Navy:organization-other
for:O
several:O
years:O
after:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
.:O