Assertion: coffee's caffeine content | /r/HasSubevent | its popularity
Facets:
value: as a brewed beverage
type: MANNER
value: as a major cash crop
type: MANNER
Source sentences:
text: In a coffee bean the endosperm caffeine content ranges from about .8 percent to 2.5%, leading to its popularity as a brewed beverage and thus a major cash crop cultivated around the world.