Assertion: caffeine | /r/AtLocation | seed
Facets:
value: naturally
type: MANNER
Source sentences:
text: Caffeine, chemically known as 1,3,7‐trimethylxanthine, occurs naturally in the leaves, fruits, and seeds of numerous plant species, most notably in coffee and cocoa beans, tea leaves, kola nuts, and guarana.
text: It occurs naturally in the leaves and seeds of many plants and has a taste bitter enough to deter pests (2).