With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
particular
,
the
survey
team
traversed
the
main
crest
of
Tangra
Mountains
between
Mount
Friesland
and
Lyaskovets
Peak
.
In:O
particular:O
,:O
the:O
survey:O
team:O
traversed:O
the:O
main:O
crest:O
of:O
Tangra:location-mountain
Mountains:location-mountain
between:O
Mount:location-mountain
Friesland:location-mountain
and:O
Lyaskovets:location-mountain
Peak:location-mountain
.:O