With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
When
Vedius
Aquila
,
the
commander
of
one
of
legions
supporting
Otho
,
returned
to
camp
and
found
himself
the
potential
victim
of
a
murderous
group
of
defeated
soldiers
,
Annius
Gallus
intervened
and
saved
his
life
.
When:O
Vedius:person-other
Aquila:person-other
,:O
the:O
commander:O
of:O
one:O
of:O
legions:O
supporting:O
Otho:person-other
,:O
returned:O
to:O
camp:O
and:O
found:O
himself:O
the:O
potential:O
victim:O
of:O
a:O
murderous:O
group:O
of:O
defeated:O
soldiers:O
,:O
Annius:person-other
Gallus:person-other
intervened:O
and:O
saved:O
his:O
life:O
.:O