With no explanation, label each line with "location-GPE", "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Dachshund
racing
was
first
held
in
Australia
in
the
1970s
.
Dachshund:event-other
racing:event-other
was:O
first:O
held:O
in:O
Australia:location-GPE
in:O
the:O
1970s:O
.:O