With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Any
medieval
knight
or
military
order
of
knighthood
might
have
``
sergeants-at-arms
''
,
meaning
servants
able
to
fight
if
needed
.
Any:O
medieval:O
knight:O
or:O
military:O
order:O
of:O
knighthood:O
might:O
have:O
``:O
sergeants-at-arms:O
'':O
,:O
meaning:O
servants:O
able:O
to:O
fight:O
if:O
needed:O
.:O