Assertion: stomach's stomach | /r/CapableOf | engage
Facets:
value: to form the ripples
type: PURPOSE
value: with its muscular lining
type: CAUSE
Source sentences:
text: With its muscular lining, the stomach is able to engage in peristalsis (in other words, to form the ripples that propel the digested food forward) and in the general “churning” of food.