With no explanation, label each line with "location-GPE", "person-soldier", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
After
beating
Oudinot
at
the
Battle
of
Bar-sur-Aube
,
the
Allies
pressed
the
French
back
toward
Troyes
.
After:O
beating:O
Oudinot:person-soldier
at:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Bar-sur-Aube:event-attack/battle/war/militaryconflict
,:O
the:O
Allies:O
pressed:O
the:O
French:O
back:O
toward:O
Troyes:location-GPE
.:O