Assertion: beaver's coat | /r/CapableOf | serve to trap a layer of air
Facets:
value: between it
type: LOCATION
value: between the otters skin
type: LOCATION
Source sentences:
text: The one-million-hairs-per-square-inch coat keeps them warm with its own thickness, but also serves to trap a layer of air between it and the otters skin, acting like a puffed-up parka and a life jacket at the same time.