Assertion: cockatiel's owner | /r/CapableOf | make sure
Facets:
Source sentences:
text: so owners need to make sure that they (and other household members) do not overdue it with treats and table foods.
text: Yes, cockatiels can absolutely eat popcorn when it is served in small amounts, however, owners must make sure that the popcorn is given only as a special treat, and is free of any salt, butter or other toppings as these can be harmful to a bird.
text: Some pet owners prefer to use a net to catch individual birds, but make sure it is well padded around the rim, or you could stun or kill the cockatiel.