Assertion: bottlenose dolphin's lifespan | /r/HasProperty | about 40 years
Facets:
Source sentences:
text: The lifespan of the female Bottlenose Dolphin is about 40 years, whereas males rarely live more than 30 years.
text: The estimated lifespan for these dolphins is 40 years or longer.
text: The lifespan of chinese white dolphins is about 40 years.