With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
the
battle
,
Velitrae
surrendered
voluntarily
to
Rome
.
After:O
the:O
battle:O
,:O
Velitrae:person-other
surrendered:O
voluntarily:O
to:O
Rome:location-GPE
.:O