With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "product-ship", "person-soldier", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
SS
``
William
R.
Cox
''
may
refer
to
one
of
three
American
Liberty
ships
named
in
honor
of
Civil
War
General
William
Ruffin
Cox
:
SS:product-ship
``:product-ship
William:product-ship
R.:product-ship
Cox:product-ship
'':product-ship
may:O
refer:O
to:O
one:O
of:O
three:O
American:product-ship
Liberty:product-ship
ships:product-ship
named:O
in:O
honor:O
of:O
Civil:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
General:O
William:person-soldier
Ruffin:person-soldier
Cox:person-soldier
::O