Assertion: tortoise's marking | /r/CapableOf | fade in mature adults
Facets:
value: to fade to nondescript brown
type: PURPOSE
value: to fade to a slaty
type: PURPOSE
value: to fade to grey
type: PURPOSE
Source sentences:
text: In mature adults the markings tend to fade to a nondescript brown or grey.
text: However, in mature adults the markings tend to fade to a slaty, nondescript brown or grey, commonly tinged with the local dust.