With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Taurine
has
an
observed
safe
level
of
supplemental
intake
in
normal
healthy
adults
at
up
to
3
g/day
.
Taurine:other-chemicalthing
has:O
an:O
observed:O
safe:O
level:O
of:O
supplemental:O
intake:O
in:O
normal:O
healthy:O
adults:O
at:O
up:O
to:O
3:O
g/day:O
.:O