With no explanation, label each line with "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
2009
season
saw
Yeshi
dip
under
two
and
a
half
hours
as
she
defended
her
Marrakech
title
in
2:29:52
hours
.
The:O
2009:O
season:O
saw:O
Yeshi:person-athlete
dip:O
under:O
two:O
and:O
a:O
half:O
hours:O
as:O
she:O
defended:O
her:O
Marrakech:event-sportsevent
title:O
in:O
2:29:52:O
hours:O
.:O