With no explanation, label each line with "location-GPE", "O", "event-other", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
1975
led
the
Pakistan
Delegation
to
7th
World
Peace
Conference
held
at
Washington
.
In:O
1975:O
led:O
the:O
Pakistan:organization-other
Delegation:organization-other
to:O
7th:event-other
World:event-other
Peace:event-other
Conference:event-other
held:O
at:O
Washington:location-GPE
.:O