Assertion: condor's head | /r/CapableOf | become red
Facets:
value: gradually
type: MANNER
value: at about six years of age
type: TEMPORAL
Source sentences:
text: Young birds have dark heads that gradually become red as they near adulthood at about six years of age.
text: Young birds have dark heads that gradually become red as they near adulthood at about six years of age.