Assertion: female duck | /r/CapableOf | evolve complex vagina
Facets:
value: with several dead-end pockets
type: OTHER
value: with tunnels
type: OTHER
value: in order to confuse unwanted mates
type: PURPOSE
Source sentences:
text: Female ducks have evolved a complex vagina with several dead-end pockets and tunnels in order to confuse unwanted mates and prevent fertilization from the wrong male.