With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
the
following
year
his
progress
was
interrupted
by
illness
in
spring
but
he
won
his
last
four
races
,
taking
the
Gordon
Stakes
before
recording
his
biggest
win
in
the
St
Leger
and
then
defeating
top-class
older
horses
in
the
Jockey
Club
Stakes
.
In:O
the:O
following:O
year:O
his:O
progress:O
was:O
interrupted:O
by:O
illness:O
in:O
spring:O
but:O
he:O
won:O
his:O
last:O
four:O
races:O
,:O
taking:O
the:O
Gordon:event-other
Stakes:event-other
before:O
recording:O
his:O
biggest:O
win:O
in:O
the:O
St:event-other
Leger:event-other
and:O
then:O
defeating:O
top-class:O
older:O
horses:O
in:O
the:O
Jockey:event-other
Club:event-other
Stakes:event-other
.:O