With no explanation, label each line with "O", "location-mountain", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Around
940
Arduin
campaigned
in
the
Susa
Valley
against
the
Saracens
who
were
occupying
Alpine
passes
.
Around:O
940:O
Arduin:person-other
campaigned:O
in:O
the:O
Susa:location-mountain
Valley:location-mountain
against:O
the:O
Saracens:person-other
who:O
were:O
occupying:O
Alpine:location-mountain
passes:O
.:O