With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
this
was
reduced
to
one
train
in
each
direction
starting
with
the
2010
Football
Season
.
However:O
,:O
this:O
was:O
reduced:O
to:O
one:O
train:O
in:O
each:O
direction:O
starting:O
with:O
the:O
2010:event-sportsevent
Football:event-sportsevent
Season:event-sportsevent
.:O