With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
station
opened
on
10
October
1934
at
the
same
times
as
the
rest
of
the
Sognsvann
Line
.
The:O
station:O
opened:O
on:O
10:O
October:O
1934:O
at:O
the:O
same:O
times:O
as:O
the:O
rest:O
of:O
the:O
Sognsvann:location-road/railway/highway/transit
Line:location-road/railway/highway/transit
.:O