With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
addition
to
this
,
extensive
work
had
to
be
carried
out
on
the
Göltzsch
Viaduct
and
several
road
bridges
with
too
little
clearance
for
electrification
were
replaced
.
In:O
addition:O
to:O
this:O
,:O
extensive:O
work:O
had:O
to:O
be:O
carried:O
out:O
on:O
the:O
Göltzsch:building-other
Viaduct:building-other
and:O
several:O
road:O
bridges:O
with:O
too:O
little:O
clearance:O
for:O
electrification:O
were:O
replaced:O
.:O