Assertion: cockatiel | /r/CapableOf | lower his head
Facets:
value: often
type: TEMPORAL
value: to indicate
type: PURPOSE
Source sentences:
text: If your cockatiel lowers his head and leaves it there, it is most likely an invitation for you to pet his head.
text: A cockatiel that wishes to be petted will often lower its head or nibble at the owner's fingers to indicate that it wishes to have its head and neck scratched (two places it can't easily scratch on its own), and will emit a low squeak to show its pleasure.