Assertion: puffer's food | /r/CapableOf | grind their teeth
Facets:
value: naturally
type: MANNER
Source sentences:
text: Fish can’t visit a dentist, therefore it’s crucial to feed them food that is hard enough to naturally grind their teeth – such food includes aquatic snails, cockles and crustaceans with shells.
text: When they do not find food that can grind their teeth, they usually chew on coral reefs.