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
Redskins
had
no
players
remaining
from
Super
Bowl
VII
on
their
Super
Bowl
XVII
roster
.
The:O
Redskins:organization-sportsteam
had:O
no:O
players:O
remaining:O
from:O
Super:event-sportsevent
Bowl:event-sportsevent
VII:event-sportsevent
on:O
their:O
Super:event-sportsevent
Bowl:event-sportsevent
XVII:event-sportsevent
roster:event-sportsevent
.:O