Assertion: koala | /r/CapableOf | use strong sphincter muscle
Facets:
value: as an added safety
type: PURPOSE
value: in order to prevent the little joey
type: PURPOSE
Source sentences:
text: As an added safety, in order to prevent the little joey from falling out if its pouch, the koala uses a strong sphincter muscle to keep the entrance of the pouch closed, so its baby doesn't accidentally fall out.