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 ":".
Decreased
tryptophan
levels
in
the
brain
,
and
thus
the
synthesis
of
serotonin
,
such
as
via
acute
tryptophan
depletion
,
increases
bulimic
urges
in
currently
and
formerly
bulimic
individuals
within
hours
.
Decreased:O
tryptophan:other-biologything
levels:O
in:O
the:O
brain:O
,:O
and:O
thus:O
the:O
synthesis:O
of:O
serotonin:other-biologything
,:O
such:O
as:O
via:O
acute:O
tryptophan:other-biologything
depletion:O
,:O
increases:O
bulimic:other-biologything
urges:O
in:O
currently:O
and:O
formerly:O
bulimic:other-biologything
individuals:O
within:O
hours:O
.:O