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 ":".
This
attack
,
which
caused
heavy
losses
in
the
ranks
,
was
fatal
to
General
Michel
.
This:O
attack:O
,:O
which:O
caused:O
heavy:O
losses:O
in:O
the:O
ranks:O
,:O
was:O
fatal:O
to:O
General:person-soldier
Michel:person-soldier
.:O