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 ":".
It
has
also
been
argued
that
the
level
of
detail
used
in
the
narrative
describing
Paul
's
travels
suggests
an
eyewitness
source
.
It:O
has:O
also:O
been:O
argued:O
that:O
the:O
level:O
of:O
detail:O
used:O
in:O
the:O
narrative:O
describing:O
Paul:person-other
's:O
travels:O
suggests:O
an:O
eyewitness:O
source:O
.:O