With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
During
this
period
,
he
commanded
a
division
at
the
capture
of
Brescia
on
21
April
,
the
Battle
of
Cassano
on
27
April
,
and
the
Battle
of
the
Trebbia
on
17–20
June
.
During:O
this:O
period:O
,:O
he:O
commanded:O
a:O
division:O
at:O
the:O
capture:O
of:O
Brescia:location-GPE
on:O
21:O
April:O
,:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Cassano:event-attack/battle/war/militaryconflict
on:O
27:O
April:O
,:O
and:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
the:event-attack/battle/war/militaryconflict
Trebbia:event-attack/battle/war/militaryconflict
on:O
17–20:O
June:O
.:O