Assertion: llama's lifespan | /r/HasProperty | 15 to 20 years
Facets:
Source sentences:
text: The average lifespan of a guanaco is 15 to 20 years, but they may live up to 25 years.
text: The average lifespan of an alpaca is between 15 and 20 years, and the longest-lived alpaca on record is 27 years.