With no explanation, label each line with "O", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
1985
Chicago
Bears
also
won
Super
Bowl
XX
.
The:O
1985:O
Chicago:organization-sportsteam
Bears:organization-sportsteam
also:O
won:O
Super:event-sportsevent
Bowl:event-sportsevent
XX:event-sportsevent
.:O