With no explanation, label each line with "O", "other-medical", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Niacin
has
also
been
used
and
tested
for
the
purpose
of
enhancing
detoxification
by
removing
skin
lipid-stored
xenobiotics
.
Niacin:other-medical
has:O
also:O
been:O
used:O
and:O
tested:O
for:O
the:O
purpose:O
of:O
enhancing:O
detoxification:other-medical
by:O
removing:O
skin:O
lipid-stored:O
xenobiotics:other-medical
.:O