Assertion: coffee's caffeine | /r/CapableOf | act as stimulant
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: ’ the caffeine acts as a stimulant to help you feel more awake.
text: Caffeine is a chemical drug derived from sources like the kola nut, coffee plant and tea bush, and works as a stimulant.
text: Caffeine is commonly used as a stimulant which serves to increase nervous system activity leading to increased energy and alertness.