Assertion: bison | /r/HasProperty | mature
Facets:
value: at age
type: TEMPORAL
value: sexually
type: MANNER
Source sentences:
text: Bison are sexually mature at the age of 1 – 2 years.
text: Bison are mature at three years of age, and have a life expectancy of approximately 15 years in the wild and up to 25 years in captivity.
text: Bison are sexually mature at age 2.