Assertion: opium's use | /r/CapableOf | fall in 1980
Facets:
value: because of the dangers of overdose
type: CAUSE
value: out of common use
type: OTHER
Source sentences:
text: The use of Quaaludes, a hypnotic tranquilizer, as a prescription drug and a street drug, fell out of common use in the 1980s because of the dangers of overdose associated with it.