With no explanation, label each line with "organization-other", "O", "other-chemicalthing", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
June
2015
the
World
Health
Organization
's
International
Agency
for
Research
on
Cancer
confirmed
its
1987
classification
of
2,4-D
as
a
possible
carcinogen
.
In:O
June:O
2015:O
the:O
World:organization-government/governmentagency
Health:organization-government/governmentagency
Organization:organization-government/governmentagency
's:O
International:organization-other
Agency:organization-other
for:organization-other
Research:organization-other
on:organization-other
Cancer:organization-other
confirmed:O
its:O
1987:O
classification:O
of:O
2,4-D:other-chemicalthing
as:O
a:O
possible:O
carcinogen:O
.:O