Assertion: caffeine | /r/HasProperty | plant
Facets:
Source sentences:
text: Energy drinks often contain caffeine and guarana, a plant that contains caffeine.
text: Caffeine is a plant alkaloid, found in numerous plant species, where it acts as a natural pesticide that paralyzes and kills certain insects feeding upon them.
text: Caffeine is a plant compound and stimulant (methylxanthine).