Assertion: female beaver | /r/HasProperty | mature
Facets:
value: sexually
type: MANNER
value: at 2.5 years old
type: TEMPORAL
Source sentences:
text: Female beavers are sexually mature when they are about 3 years old.
text: monogamous Female beavers are sexually mature when they are about 3 years old.
text: Female beavers are sexually mature at 2.5 years old.