With no explanation, label each line with "location-GPE", "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Rail
transport
in
Oslo
started
in
1854
,
with
the
opening
of
Hoved
Line
to
Eidsvoll
,
through
Groruddalen
.
Rail:O
transport:O
in:O
Oslo:location-GPE
started:O
in:O
1854:O
,:O
with:O
the:O
opening:O
of:O
Hoved:location-road/railway/highway/transit
Line:location-road/railway/highway/transit
to:O
Eidsvoll:location-GPE
,:O
through:O
Groruddalen:location-GPE
.:O