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 ":".
The
stadium
is
maintained
by
the
Royal
Oman
Police
and
plays
host
to
various
national
cultural
events
and
parades
.
The:O
stadium:O
is:O
maintained:O
by:O
the:O
Royal:organization-government/governmentagency
Oman:organization-government/governmentagency
Police:organization-government/governmentagency
and:O
plays:O
host:O
to:O
various:O
national:O
cultural:O
events:O
and:O
parades:O
.:O