With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
However
,
only
three
months
later
,
Aemilianus
was
in
turn
assassinated
by
the
same
troops
,
who
defected
to
Valerian
(
reigned
253-260
)
,
the
commander
of
forces
on
the
Rhine
,
who
had
marched
into
Italy
to
rescue
Gallus
.
However:O
,:O
only:O
three:O
months:O
later:O
,:O
Aemilianus:person-other
was:O
in:O
turn:O
assassinated:O
by:O
the:O
same:O
troops:O
,:O
who:O
defected:O
to:O
Valerian:person-other
(:O
reigned:O
253-260:O
):O
,:O
the:O
commander:O
of:O
forces:O
on:O
the:O
Rhine:location-bodiesofwater
,:O
who:O
had:O
marched:O
into:O
Italy:location-GPE
to:O
rescue:O
Gallus:person-other
.:O