Assertion: viper's diet | /r/HasProperty | bird
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: The sidewinder’s diet includes various desert reptiles (including lizards and other snakes), small mammals, and occasionally birds.
text: Diet may include frogs, lizards, small mammals, or birds and their eggs.
text: Most true cobras have a varied diet that may include lizards, birds, rodents, and fish.