Assertion: deer's lifespan | /r/HasProperty | 20 years
Facets:
value: in captivity
type: LOCATION
Source sentences:
text: In the wild, most white-tailed deer live about 2 to 3 years but their maximum lifespan is 20 years.
text: Red deer can live 10 – 13 years in the wild but in captivity their lifespan is about 20 years.