With no explanation, label each line with "art-writtenart", "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "building-airport" preceded by ":".
J.
K.
Rowling
's
``
Harry
Potter
``
fantasy
series
is
a
sequence
of
seven
novels
that
chronicle
the
adventures
of
the
adolescent
wizard
Harry
Potter
is
the
best
selling
book-series
in
history
.
J.:person-artist/author
K.:person-artist/author
Rowling:person-artist/author
's:O
``:O
Harry:art-writtenart
Potter:art-writtenart
``:O
fantasy:O
series:O
is:O
a:O
sequence:O
of:O
seven:O
novels:O
that:O
chronicle:O
the:O
adventures:O
of:O
the:O
adolescent:O
wizard:O
Harry:person-other
Potter:person-other
is:O
the:O
best:O
selling:O
book-series:O
in:O
history:O
.:O