Assertion: american beaver | /r/HasProperty | aquatic mammal
Facets:
Source sentences:
text: The American Beaver is an aquatic mammal and the largest rodent in North America.
text: They are aquatic rodents and have a number of adaptations that make them adept swimmers including webbed feet and a broad, flat tail that is covered with scales.
text: The North American Beaver is semi aquatic meaning it lives both in water and on land.