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 ":".
PTPkappa
promotes
neurite
outgrowth
from
embryonic
cerebellar
neurons
,
and
thus
may
be
involved
in
axonal
extension
or
guidance
in
vivo
.
PTPkappa:other-biologything
promotes:O
neurite:O
outgrowth:O
from:O
embryonic:O
cerebellar:O
neurons:other-biologything
,:O
and:O
thus:O
may:O
be:O
involved:O
in:O
axonal:O
extension:O
or:O
guidance:O
in:O
vivo:O
.:O