Assertion: opium's derivative | /r/CapableOf | continue to play major role
Facets:
value: as antitussives
type: MANNER
value: as antidiarrheals
type: MANNER
value: as analgesics
type: MANNER
Source sentences:
text: Derivatives of opium alkaloids continue to play a major role as antitussives, antidiarrheals, and analgesics.