With no explanation, label each line with "person-soldier", "O", "organization-other", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
the
year
1552
Don
Cossacks
under
the
command
of
Ataman
Susar
Fedorov
joined
the
Army
of
Ivan
the
Terrible
during
the
Siege
of
Kazan
in
1552
.
In:O
the:O
year:O
1552:O
Don:person-soldier
Cossacks:person-soldier
under:O
the:O
command:O
of:O
Ataman:person-soldier
Susar:person-soldier
Fedorov:person-soldier
joined:O
the:O
Army:organization-other
of:organization-other
Ivan:organization-other
the:O
Terrible:O
during:O
the:O
Siege:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Kazan:event-attack/battle/war/militaryconflict
in:O
1552:O
.:O