Assertion: onion | /r/ObjectUse | used for century
Facets:
value: as a natural antibiotic
type: MANNER
value: because of its antimicrobial properties
type: CAUSE
value: as antifungal agent
type: PURPOSE
Source sentences:
text: Because of its antimicrobial properties, onion has been used for centuries as a natural antibiotic and antifungal agent.