With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Liu
Xiu
,
a
brother
of
Liu
Yan
and
future
Emperor
Guangwu
of
Han
(
r.
25–57
CE
)
,
distinguished
himself
at
the
Battle
of
Kunyang
on
7
July
23
CE
when
he
relieved
a
city
sieged
by
Wang
Mang
's
forces
and
turned
the
tide
of
the
war
.
Liu:O
Xiu:O
,:O
a:O
brother:O
of:O
Liu:person-politician
Yan:person-politician
and:O
future:O
Emperor:person-politician
Guangwu:person-politician
of:O
Han:O
(:O
r.:O
25–57:O
CE:O
):O
,:O
distinguished:O
himself:O
at:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Kunyang:event-attack/battle/war/militaryconflict
on:O
7:O
July:O
23:O
CE:O
when:O
he:O
relieved:O
a:O
city:O
sieged:O
by:O
Wang:person-politician
Mang:person-politician
's:O
forces:O
and:O
turned:O
the:O
tide:O
of:O
the:O
war:O
.:O