Assertion: hainan gibbon | /r/HasProperty | one of the rarest animals
Facets:
Source sentences:
text: With only 25 individuals remaining in less than 20 square kilometres of forest in China's Hainan Island, the Critically Endangered Hainan gibbon is one of the rarest animals in the world.
text: The Hainan gibbon (Nomascus hainanus) is the world’s rarest primate.