Assertion: cockatoo's crest | /r/CapableOf | pay attention
Facets:
value: to learn about its mood
type: PURPOSE
value: to a cockatoo's crest
type: TRANSITIVE-OBJECT
Source sentences:
text: Pay attention to a cockatoo's crest to learn about its mood: an erect crest means the bird is anxious or startled, and a relaxed crest suggests that all's good in birdie town.