With no explanation, label each line with "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Usain
Bolt
is
the
most
successful
athlete
of
the
event
,
having
won
four
successive
titles
from
2009
to
2015
,
and
also
a
silver
in
2007
.
Usain:person-athlete
Bolt:person-athlete
is:O
the:O
most:O
successful:O
athlete:O
of:O
the:O
event:O
,:O
having:O
won:O
four:O
successive:O
titles:O
from:O
2009:O
to:O
2015:O
,:O
and:O
also:O
a:O
silver:O
in:O
2007:O
.:O