Assertion: male chimp | /r/CapableOf | become mature
Facets:
value: sexually
type: MANNER
value: between 9 and 15 year old
type: OTHER
Source sentences:
text: Male chimps become sexually mature between about 9 and 15 year old, while females experience their first menstrual periods at about the age of 10, with a menstrual cycle of about 36 days.