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 ":".
NT-3
binds
three
receptors
on
the
surface
of
cells
which
are
capable
of
responding
to
this
growth
factor
:
NT-3:other-biologything
binds:O
three:O
receptors:O
on:O
the:O
surface:O
of:O
cells:O
which:O
are:O
capable:O
of:O
responding:O
to:O
this:O
growth:O
factor:O
::O