With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
A
South
American
choir
tour
was
being
planned
by
the
State
Department
but
was
cancelled
because
of
Williamson
's
sudden
death
in
1964
.
A:O
South:location-GPE
American:location-GPE
choir:O
tour:O
was:O
being:O
planned:O
by:O
the:O
State:organization-government/governmentagency
Department:organization-government/governmentagency
but:O
was:O
cancelled:O
because:O
of:O
Williamson:person-other
's:O
sudden:O
death:O
in:O
1964:O
.:O