With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
At
Beaumont-Hamel
,
two
British
medical
officers
arranged
a
truce
and
in
other
places
movement
in
no
man
's
land
was
fired
on
.
At:O
Beaumont-Hamel:location-GPE
,:location-GPE
two:O
British:location-GPE
medical:O
officers:O
arranged:O
a:O
truce:O
and:O
in:O
other:O
places:O
movement:O
in:O
no:O
man:O
's:O
land:O
was:O
fired:O
on:O
.:O