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 ":".
In
reality
,
he
ensured
Aslan
's
downfall
and
contributed
to
turning
him
into
one
of
Don
Armage
's
thralls
.
In:O
reality:O
,:O
he:O
ensured:O
Aslan:person-other
's:O
downfall:O
and:O
contributed:O
to:O
turning:O
him:O
into:O
one:O
of:O
Don:person-other
Armage:person-other
's:O
thralls:O
.:O