Assertion: mammal | /r/HasAspect | hair
Facets:
value: to help keep them
type: PURPOSE
value: more technically
type: DEGREE
Source sentences:
text: All mammals have hair, which evolved during the Triassic period as a way to retain body heat, but some species are hairier than others.
text: More technically, all mammals have hair at some stage in their life cycles; for example, whale and porpoise embryos only have hair for a brief period of time, while gestating in the womb.
text: Most mammals also have hair to help keep them warm.
text: Mammals have hair, are warm-blooded, breathe air, and all but five species give birth to live young.