Assertion: cockatiel | /r/HasProperty | expert whistlers
Facets:
value: to keep a background tune
type: PURPOSE
value: at hiding it
type: OTHER
Source sentences:
text: Cockatiels are expert whistlers and will learn to mimic whistles that they hear from their humans, television and the radio.
text: Cockatiels, like most animals, are experts at hiding it when they feel unwell, which is a necessary survival skill in the wild.
text: Cockatiels are expert whistlers and love to keep a background tune going for you.