Assertion: hippo | /r/Desires | water
Facets:
value: to keep it
type: PURPOSE
Source sentences:
text: Because the hippo does not have sweat glands, it relies on water and mud to keep it cool.
text: The hippo relies on water or mud to keep it cool, and the red fluid may have a similar function, but it is often produced in copious amounts when the animal is excited.