With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
There
are
several
bootleg
recordings
of
Nick
's
performances
available
on
the
internet
.
There:O
are:O
several:O
bootleg:O
recordings:O
of:O
Nick:person-artist/author
's:O
performances:O
available:O
on:O
the:O
internet:O
.:O