With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
replica
engine
unlike
the
original
will
be
fitted
with
air
brakes
,
however
its
primary
brakes
will
remain
as
vacuum
.
The:O
replica:O
engine:O
unlike:O
the:O
original:O
will:O
be:O
fitted:O
with:O
air:O
brakes:O
,:O
however:O
its:O
primary:O
brakes:O
will:O
remain:O
as:O
vacuum:O
.:O