With no explanation, label each line with "other-disease", "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Benzodiazepines
are
psychoactive
drugs
known
to
reduce
anxiety
.
Benzodiazepines:other-biologything
are:O
psychoactive:O
drugs:O
known:O
to:O
reduce:O
anxiety:other-disease
.:O