Assertion: barbiturate | /r/HasProperty | popular
Facets:
value: during the 1950s
type: TEMPORAL
value: with the middle and upper classes
type: OTHER
Source sentences:
text: During the 1950s, barbiturates were popular with the middle and upper classes.
text: Barbiturates are popular to take, creating feelings of relaxation, calmness, and euphoria as they depress the central nervous system and reduce the heart rate and high blood pressure.
text: Barbiturates are also a popular "street" drug.