With no explanation, label each line with "person-soldier", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Upon
driving
the
Pompeians
back
,
Sulla
determined
not
to
pursue
and
instead
withdrew
back
to
the
camp
.
Upon:O
driving:O
the:O
Pompeians:O
back:O
,:O
Sulla:person-soldier
determined:O
not:O
to:O
pursue:O
and:O
instead:O
withdrew:O
back:O
to:O
the:O
camp:O
.:O