With no explanation, label each line with "location-GPE", "O", "person-soldier", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
From
1922
to
1928
,
Italian
forces
under
General
Pietro
Badoglio
waged
a
punitive
pacification
campaign
.
From:O
1922:O
to:O
1928:O
,:O
Italian:location-GPE
forces:O
under:O
General:O
Pietro:person-soldier
Badoglio:person-soldier
waged:O
a:O
punitive:O
pacification:O
campaign:O
.:O