Assertion: amphetamine | /r/CapableOf | become popular
Facets:
value: in the early
type: TEMPORAL
value: very
type: DEGREE
value: for use
type: PURPOSE
Source sentences:
text: Amphetamines became very popular for use in the early to mid-1900s when the drug was found to keep users alert, help them to stay awake for long periods of time and reduce tiredness.