Assertion: border collie's lifespan | /r/HasProperty | 12 years
Facets:
value: according to a health survey
type: OTHER
Source sentences:
text: The average lifespan of a border collie is 12 years but they have been known to live as long as 14.
text: According to a health survey conducted by the Kennel Club in Britain in 2004, the median lifespan of the Border Collie is 12 years and 3 months.