Assertion: lion | /r/HasProperty | mature
Facets:
value: sexually
type: MANNER
value: at about three years of age
type: TEMPORAL
Source sentences:
text: Lions are sexually mature at about three years of age, although males tend to be four or five years old before winning a challenge and joining a pride.
text: Lions are sexually mature by 2 years old, but males may not have the opportunity to mate until they are closer to 5 years old.