With no explanation, label each line with "location-GPE", "O", "building-other", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Additionally
,
North
Korea
agreed
to
allow
IAEA
inspectors
to
monitor
operations
at
Yongbyon
.
Additionally:O
,:O
North:location-GPE
Korea:location-GPE
agreed:O
to:O
allow:O
IAEA:organization-other
inspectors:O
to:O
monitor:O
operations:O
at:O
Yongbyon:building-other
.:O