Assertion: cockatiel | /r/CapableOf | become unhappy
Facets:
Source sentences:
text: Cockatiels are very sociable birds and will become unhappy if they are left alone for long periods of time.
text: Cockatiels are very sociable birds and will become unhappy if they are left alone for long periods of time.
text: Cockatiels are very sociable birds and will become unhappy if they are left alone for long periods of time.
text: Cockatiels are very sociable birds and will become unhappy if they are left alone for long periods of time.