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 ":".
Along
with
the
state
and
local
law
enforcement
agencies
,
the
federal
government
also
maintains
several
departments
that
service
citizens
of
the
county
such
as
the
US
Park
Police
,
US
Postal
Police
,
Andrews
Air
Force
Base
Security
Police
,
and
other
federal
police
located
on
various
federal
property
within
the
county
.
Along:O
with:O
the:O
state:O
and:O
local:O
law:O
enforcement:O
agencies:O
,:O
the:O
federal:O
government:O
also:O
maintains:O
several:O
departments:O
that:O
service:O
citizens:O
of:O
the:O
county:O
such:O
as:O
the:O
US:organization-government/governmentagency
Park:organization-government/governmentagency
Police:organization-government/governmentagency
,:O
US:organization-government/governmentagency
Postal:organization-government/governmentagency
Police:organization-government/governmentagency
,:O
Andrews:organization-government/governmentagency
Air:organization-government/governmentagency
Force:organization-government/governmentagency
Base:organization-government/governmentagency
Security:organization-government/governmentagency
Police:organization-government/governmentagency
,:O
and:O
other:O
federal:O
police:O
located:O
on:O
various:O
federal:O
property:O
within:O
the:O
county:O
.:O