Assertion: otter's body | /r/HasProperty | covered with fur
Facets:
value: to protect them
type: PURPOSE
value: densely
type: DEGREE
Source sentences:
text: Their body is densely covered with fur to protect them against the cold water in which they live.
text: They are black in color, their whole body is covered with fur, which protects them from cold and makes them waterproof.