With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
He
competed
on
24
August
in
the
Men
's
200
meters
against
seven
other
athletes
in
the
fifth
heat
.
He:O
competed:O
on:O
24:O
August:O
in:O
the:O
Men:O
's:O
200:O
meters:O
against:O
seven:O
other:O
athletes:O
in:O
the:O
fifth:O
heat:O
.:O