With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
was
the
largest
protest
in
Australia
until
it
was
overtaken
by
the
anti-Iraq
war
protests
in
February
2003
.
This:O
was:O
the:O
largest:O
protest:O
in:O
Australia:location-GPE
until:O
it:O
was:O
overtaken:O
by:O
the:O
anti-Iraq:O
war:O
protests:O
in:O
February:O
2003:O
.:O