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
reasons
for
the
change
includes
giving
the
riders
the
opportunity
to
practice
in
conditions
similar
to
race
day
and
also
because
of
the
extra
time
allowing
classes
to
run
separately
.
The:O
reasons:O
for:O
the:O
change:O
includes:O
giving:O
the:O
riders:O
the:O
opportunity:O
to:O
practice:O
in:O
conditions:O
similar:O
to:O
race:O
day:O
and:O
also:O
because:O
of:O
the:O
extra:O
time:O
allowing:O
classes:O
to:O
run:O
separately:O
.:O