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 ":".
Via
activation
of
the
KOR
,
levomethorphan
can
produce
dysphoria
and
psychotomimetic
effects
such
as
dissociation
and
hallucinations
.
Via:O
activation:O
of:O
the:O
KOR:O
,:O
levomethorphan:other-medical
can:O
produce:O
dysphoria:O
and:O
psychotomimetic:O
effects:O
such:O
as:O
dissociation:O
and:O
hallucinations:O
.:O