Assertion: jellyfish's cavity | /r/HasProperty | simple digestive
Facets:
Source sentences:
text: Jellyfish have a simple digestive cavity that is mouth and stomach and intestine so it takes in food and lets out waste.
text: Jellyfish have a simple digestive cavity, (coelenteron), which acts as a gullet, stomach and intestine, with one opening for both the mouth and anus.