With no explanation, label each line with "O", "location-island", "product-ship", "person-soldier", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Modernized
during
the
1930s
,
``
Nagato
``
and
her
sister
ship
``
Mutsu
``
briefly
participated
in
the
Second
Sino-Japanese
War
in
1937
and
``
Nagato
``
was
the
flagship
of
Admiral
Isoroku
Yamamoto
during
the
attack
on
Pearl
Harbor
on
7
December
1941
that
began
the
Pacific
War
.
Modernized:O
during:O
the:O
1930s:O
,:O
``:O
Nagato:product-ship
``:O
and:O
her:O
sister:O
ship:O
``:O
Mutsu:product-ship
``:O
briefly:O
participated:O
in:O
the:O
Second:event-attack/battle/war/militaryconflict
Sino-Japanese:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
in:O
1937:O
and:O
``:O
Nagato:product-ship
``:O
was:O
the:O
flagship:O
of:O
Admiral:O
Isoroku:person-soldier
Yamamoto:person-soldier
during:O
the:O
attack:O
on:O
Pearl:location-island
Harbor:location-island
on:O
7:O
December:O
1941:O
that:O
began:O
the:O
Pacific:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
.:O