Assertion: dragon's beard | /r/CapableOf | turn black
Facets:
value: during breeding season
type: TEMPORAL
value: during times of stress
type: TEMPORAL
value: during courtship
type: TEMPORAL
value: during aggression
type: TEMPORAL
Source sentences:
text: This 'beard' also turns black during courtship, aggression and times of stress.
text: During breeding season, the beards of mature males turn black.