With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Two
salients
had
been
formed
during
the
Battle
of
the
Somme
in
1916
between
Arras
and
Saint-Quentin
and
from
Saint-Quentin
to
Noyon
.
Two:O
salients:O
had:O
been:O
formed:O
during:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
the:event-attack/battle/war/militaryconflict
Somme:event-attack/battle/war/militaryconflict
in:O
1916:O
between:O
Arras:location-GPE
and:O
Saint-Quentin:location-GPE
and:O
from:O
Saint-Quentin:location-GPE
to:O
Noyon:location-GPE
.:O