With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
some
recent
scholars
argue
that
Notker
offers
a
valuable
early
``
literary
''
account
of
Pepin
.
However:O
,:O
some:O
recent:O
scholars:O
argue:O
that:O
Notker:person-other
offers:O
a:O
valuable:O
early:O
``:O
literary:O
'':O
account:O
of:O
Pepin:person-other
.:O