Assertion: amphetamine | /r/HasProperty | one type of amphetamine
Facets:
Source sentences:
text: Speed, one type of amphetamine, varies the most in its appearance.
text: Amphetamines are a type of stimulant.
text: Amphetamines are stimulant type drugs.
text: Amphetamines are another type of stimulant that are used for both recreational and medical purposes.