With no explanation, label each line with "location-GPE", "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
They
later
bid
for
the
1968
Winter
Olympics
but
lost
to
Grenoble
.
They:O
later:O
bid:O
for:O
the:O
1968:O
Winter:event-sportsevent
Olympics:event-sportsevent
but:O
lost:O
to:O
Grenoble:location-GPE
.:O