With no explanation, label each line with "O", "organization-company", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
November
2014
,
Knauss
stepped
down
as
CEO
of
Clorox
but
remained
as
chairman
.
In:O
November:O
2014:O
,:O
Knauss:person-other
stepped:O
down:O
as:O
CEO:O
of:O
Clorox:organization-company
but:O
remained:O
as:O
chairman:O
.:O