With no explanation, label each line with "O", "person-athlete", "location-other", "organization-media/newspaper", "art-writtenart", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
Liu
Xiang
was
on
``
Time
``
magazine
Asian
edition
's
cover
of
the
2008
Summer
Olympic
Games
titled
``
Liu
Xiang
&
amp
;
99
More
Athletes
to
Watch
.
''
Liu:person-athlete
Xiang:person-athlete
was:O
on:O
``:O
Time:organization-media/newspaper
``:O
magazine:O
Asian:location-other
edition:O
's:O
cover:O
of:O
the:O
2008:O
Summer:event-sportsevent
Olympic:event-sportsevent
Games:event-sportsevent
titled:O
``:O
Liu:art-writtenart
Xiang:art-writtenart
&:art-writtenart
amp:art-writtenart
;:art-writtenart
99:art-writtenart
More:art-writtenart
Athletes:art-writtenart
to:art-writtenart
Watch:art-writtenart
.:O
'':O