With no explanation, label each line with "location-GPE", "O", "event-disaster", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
is
also
possible
that
Ethiopia
was
affected
by
the
Plague
of
Justinian
around
this
time
.
It:O
is:O
also:O
possible:O
that:O
Ethiopia:location-GPE
was:O
affected:O
by:O
the:O
Plague:event-disaster
of:event-disaster
Justinian:event-disaster
around:O
this:O
time:O
.:O