Assertion: contraceptive's use | /r/CapableOf | vary by method
Facets:
Source sentences:
text: Perfect use Varies by method: 0.05-2% Typical use Varies by method: 0.05-9% Usage Duration effect
text: Perfect use Varies by method: 0.05-2% Typical use Varies by method: 0.05-9% Usage Duration effect