Assertion: puffin's beak | /r/CapableOf | become colored
Facets:
value: brightly
type: MANNER
value: in breeding season
type: TEMPORAL
Source sentences:
text: During the breeding season, their beaks become brightly colored while dull grey during winters.
text: The beaks and feet of puffins become brightly colored and the beak increases in size as the bird matures.
text: In breeding season, the beak becomes brightly colored.