Assertion: echinoderm's stomach | /r/HasProperty | extended into the shell
Facets:
value: to pull the food
type: PURPOSE
Source sentences:
text: After the tube feet open the shell of its prey, the cardiac stomach is extended into the shell to pull the food inside.
text: Then the stomach is extended into the shell to pull the food inside.
text: After the tube feet open the shell of its prey, the cardiac stomach is extended into the shell to pull the food inside.
text: Then the stomach is extended into the shell to pull the food inside.