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 ":".
According
to
current
plans
there
will
be
one
passenger
train
and
two
freight
trains
in
each
direction
per
hour
.
According:O
to:O
current:O
plans:O
there:O
will:O
be:O
one:O
passenger:O
train:O
and:O
two:O
freight:O
trains:O
in:O
each:O
direction:O
per:O
hour:O
.:O