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 ":".
She
then
finished
second
to
First
Seal
in
both
the
Tea
Rose
Stakes
and
the
Flight
Stakes
before
being
given
a
summer
break
.
She:O
then:O
finished:O
second:O
to:O
First:O
Seal:O
in:O
both:O
the:O
Tea:event-sportsevent
Rose:event-sportsevent
Stakes:event-sportsevent
and:O
the:O
Flight:event-sportsevent
Stakes:event-sportsevent
before:O
being:O
given:O
a:O
summer:O
break:O
.:O