Assertion: pangolin | /r/CapableOf | swallow stone
Facets:
value: every once
type: TEMPORAL
value: in a while
type: TEMPORAL
Source sentences:
text: Pangolins don’t have teeth, so they have to swallow stones every once in a while.
text: The pangolin must then swallow more stones to replace the ones passed out of its body.
text: Why do pangolins swallow stones?
text: Instead, they have keratinous spines in their stomach and swallow stones that help them grind up their food in much the same manner as a bird’s gizzard.