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 ":".
Aratus
was
able
to
use
the
confusion
in
the
aftermath
of
the
battle
to
his
advantage
.
Aratus:person-soldier
was:O
able:O
to:O
use:O
the:O
confusion:O
in:O
the:O
aftermath:O
of:O
the:O
battle:O
to:O
his:O
advantage:O
.:O