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 ":".
Kal-7-dependent
regulation
of
spine
formation
occurs
through
its
activity
as
a
GDP
/
GTP
exchange
factor
for
Rac1
.
Kal-7-dependent:other-biologything
regulation:O
of:O
spine:O
formation:O
occurs:O
through:O
its:O
activity:O
as:O
a:O
GDP:other-biologything
/:O
GTP:other-biologything
exchange:O
factor:O
for:O
Rac1:other-biologything
.:O