Assertion: chihuahua's lifespan | /r/HasProperty | up to 18 years
Facets:
Source sentences:
text: Like other small dog breeds, the Chihuahua has a rather long lifespan – up to 18 years.
text: The average lifespan for a Chihuahua is ten to eighteen years, but it’s not unusually for a Chihuahua to live for twenty years or more.