Assertion: herbal tea's caffeine | /r/HasProperty | stimulant
Facets:
Source sentences:
text: Caffeine is a stimulant and a diuretic, and you may have heard the cautions about too much caffeine.
text: Caffeine is a stimulant substance, and as such, can increase the rate of your metabolism, not only giving you an energetic boost but also improving certain metabolic functions, such as fat-burning.
text: Caffeine is a stimulant and can have harmful side effects.