Assertion: budgie's toy | /r/HasProperty | essential
Facets:
value: to stimulate them
type: PURPOSE
value: for the happiness of budgerigars
type: PURPOSE
Source sentences:
text: Interactive toys that move and make sounds (i.e. mirrors, bells, swings and more complex interactive audio toys) are essential for the happiness of budgerigars.
text: Multiple toys are also required for the birds to stay entertained.
text: Toys are not a luxury, toys are a necessity to keep your bird happy and healthy.
text: Toys are essential to stimulate them mentally and physically – especially important for birds kept on their own.