Assertion: kittiwake | /r/CapableOf | become mature
Facets:
value: around 4 years of age
type: TEMPORAL
value: sexually
type: MANNER
Source sentences:
text: Kittiwakes become sexually mature around 4 years of age.
text: Kittiwakes become sexually mature around 4 years of age.
text: Kittiwakes become sexually mature around 4 years of age.