With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
took
place
on
16
May
2009
at
the
International
Conference
Centre
in
Abuja
.
It:O
took:O
place:O
on:O
16:O
May:O
2009:O
at:O
the:O
International:building-other
Conference:building-other
Centre:building-other
in:O
Abuja:location-GPE
.:O