Assertion: hummingbird's tail feather | /r/CapableOf | become dark
Facets:
value: fully
type: DEGREE
Source sentences:
text: In time, those spots will disappear with wear and the tail feathers will become fully dark as these male birds mature and molt.
text: In time, those spots will disappear with wear and the tail feathers will become fully dark as these male birds mature and molt.