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 ":".
In
1944
,
Ménétrel
was
asked
by
Pétain
to
contact
General
Charles
de
Gaulle
and
attempt
to
negotiate
with
him
,
to
no
avail
.
In:O
1944:O
,:O
Ménétrel:person-soldier
was:O
asked:O
by:O
Pétain:person-soldier
to:O
contact:O
General:O
Charles:person-soldier
de:person-soldier
Gaulle:person-soldier
and:O
attempt:O
to:O
negotiate:O
with:O
him:O
,:O
to:O
no:O
avail:O
.:O