With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
CBE
began
to
set
the
precedent
for
water
,
air
,
and
toxic
pollution
advocating
for
community
concerns
and
environmental
regulation
.
CBE:organization-government/governmentagency
began:O
to:O
set:O
the:O
precedent:O
for:O
water:O
,:O
air:O
,:O
and:O
toxic:O
pollution:O
advocating:O
for:O
community:O
concerns:O
and:O
environmental:O
regulation:O
.:O