With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
NT-3
protein
is
found
within
the
thymus
,
spleen
,
intestinal
epithelium
but
its
role
in
the
function
of
each
organ
is
still
unknown
.
The:O
NT-3:other-biologything
protein:O
is:O
found:O
within:O
the:O
thymus:O
,:O
spleen:O
,:O
intestinal:O
epithelium:O
but:O
its:O
role:O
in:O
the:O
function:O
of:O
each:O
organ:O
is:O
still:O
unknown:O
.:O