With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
From
1992
to
2005
,
he
was
at
Western
Wireless
Corp
.
as
CEO
and
chairman
.
From:O
1992:O
to:O
2005:O
,:O
he:O
was:O
at:O
Western:organization-company
Wireless:organization-company
Corp:organization-company
.:O
as:O
CEO:O
and:O
chairman:O
.:O