Assertion: sea otter's fur | /r/CapableOf | become matted
Facets:
value: from an oil spill
type: CAUSE
Source sentences:
text: Unless their fur becomes matted, from an oil spill, for example, sea otters’ skin never gets wet.
text: If the sea otter was not to groom for several hours a day the fur would become matted and dirty and lose the insulation properties relied on to keep the sea otter warm.