With no explanation, label each line with "location-GPE", "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
has
a
length
of
about
(
2014
)
,
has
about
a
volume
of
(
2011
)
,
and
covers
about
(
2011
)
in
the
eastern
Bernese
Alps
in
the
Swiss
canton
of
Valais
.
It:O
has:O
a:O
length:O
of:O
about:O
(:O
2014:O
):O
,:O
has:O
about:O
a:O
volume:O
of:O
(:O
2011:O
):O
,:O
and:O
covers:O
about:O
(:O
2011:O
):O
in:O
the:O
eastern:O
Bernese:location-mountain
Alps:location-mountain
in:O
the:O
Swiss:location-GPE
canton:O
of:O
Valais:location-GPE
.:O