Assertion: prostaglandin | /r/MadeOf | a 5-carbon ring
Facets:
Source sentences:
text: Every prostaglandin contains 20 carbon atoms, including a 5-carbon ring.
text: Every prostaglandin contains 20 carbon atoms, including a 5-carbon ring.
text: Every prostaglandin contains 20 carbon atoms, including a 5-carbon ring.