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 ":".
Together
with
other
activists
,
he
prepared
the
assassination
of
General
Hans
Hartwig
von
Beseler
,
but
the
attack
was
cancelled
.
Together:O
with:O
other:O
activists:O
,:O
he:O
prepared:O
the:O
assassination:O
of:O
General:O
Hans:person-soldier
Hartwig:person-soldier
von:person-soldier
Beseler:person-soldier
,:O
but:O
the:O
attack:O
was:O
cancelled:O
.:O