With no explanation, label each line with "O", "event-sportsevent", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
women
's
discus
throw
event
at
the
2008
Olympic
Games
took
place
on
15–18
August
at
the
Beijing
Olympic
Stadium
.
The:O
women:O
's:O
discus:O
throw:O
event:O
at:O
the:O
2008:event-sportsevent
Olympic:event-sportsevent
Games:event-sportsevent
took:O
place:O
on:O
15–18:O
August:O
at:O
the:O
Beijing:building-sportsfacility
Olympic:building-sportsfacility
Stadium:building-sportsfacility
.:O