With no explanation, label each line with "person-soldier", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Miran
Shah
and
Abu
Bakr
attempted
to
retake
the
city
in
the
Battle
of
Sardrud
on
the
20
April
1408
,
but
were
decisively
defeated
by
the
joint
efforts
of
the
Turkomans
and
Jalayirids
.
Miran:person-soldier
Shah:person-soldier
and:O
Abu:person-soldier
Bakr:person-soldier
attempted:O
to:O
retake:O
the:O
city:O
in:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Sardrud:event-attack/battle/war/militaryconflict
on:O
the:O
20:O
April:O
1408:O
,:O
but:O
were:O
decisively:O
defeated:O
by:O
the:O
joint:O
efforts:O
of:O
the:O
Turkomans:O
and:O
Jalayirids:O
.:O