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
distinguishing
design
feature
of
an
autocoach
is
the
driving
cab
at
one
end
,
allowing
the
driver
to
control
the
train
without
needing
to
be
located
in
the
cab
of
the
steam
locomotive
.
The:O
distinguishing:O
design:O
feature:O
of:O
an:O
autocoach:O
is:O
the:O
driving:O
cab:O
at:O
one:O
end:O
,:O
allowing:O
the:O
driver:O
to:O
control:O
the:O
train:O
without:O
needing:O
to:O
be:O
located:O
in:O
the:O
cab:O
of:O
the:O
steam:O
locomotive:O
.:O