With no explanation, label each line with "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Locomotives
are
also
used
on
some
High-speed
trains
:
All
TGV
,
many
AVE
,
some
KTX
and
the
now-retired
ICE
2
and
ICE
1
trains
all
use
locomotives
,
which
may
also
be
known
as
power
cars
.
Locomotives:O
are:O
also:O
used:O
on:O
some:O
High-speed:O
trains:O
::O
All:O
TGV:product-train
,:O
many:O
AVE:product-train
,:O
some:O
KTX:product-train
and:O
the:O
now-retired:O
ICE:product-train
2:product-train
and:O
ICE:product-train
1:product-train
trains:O
all:O
use:O
locomotives:O
,:O
which:O
may:O
also:O
be:O
known:O
as:O
power:O
cars:O
.:O